Update Azerbaijan holidays: fix observed Islamic holidays #2822
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Summary by CodeRabbit
WalkthroughBroadened Azerbaijan observed-day matching to use substring checks and preserve original holiday names when mapping to WORKDAY_TO_NEXT_WORKDAY; added five observed/estimated Eid (Eid al-Fitr/Eid al-Adha) entries to AZ snapshot data. Changes
Estimated code review effort🎯 3 (Moderate) | ⏱️ ~20 minutes Suggested reviewers
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Codecov Report✅ All modified and coverable lines are covered by tests. Additional details and impacted files@@ Coverage Diff @@
## dev #2822 +/- ##
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Coverage 100.00% 100.00%
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Files 286 286
Lines 17120 17120
Branches 2255 2255
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📒 Files selected for processing (2)
holidays/countries/azerbaijan.py(1 hunks)snapshots/countries/AZ_COMMON.json(3 hunks)
🧰 Additional context used
🧠 Learnings (8)
📓 Common learnings
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are properly covered by the test_eid_al_fitr_day() method, which tests both the regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are covered by the test_eid_al_fitr_day() method, which tests both regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Learnt from: KJhellico
PR: vacanza/holidays#2386
File: holidays/countries/nepal.py:266-284
Timestamp: 2025-04-13T20:41:56.613Z
Learning: The Islamic holiday dates in the holidays library should only include officially verified dates, not predicted ones, to maintain accuracy. This is especially important for holidays that depend on lunar observations like Eid al-Fitr and Eid al-Adha.
Learnt from: KJhellico
PR: vacanza/holidays#2623
File: holidays/countries/christmas_island.py:110-112
Timestamp: 2025-07-09T20:27:37.760Z
Learning: In Christmas Island, ANZAC Day (April 25) follows the same observed holiday rules as other holidays, using the SAT_SUN_TO_NEXT_MON rule to move to Monday when it falls on a weekend. The implementation correctly uses `_add_observed` wrapper around `_add_anzac_day`.
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:101-106
Timestamp: 2025-04-03T13:03:16.558Z
Learning: For Islamic holidays in Guinea like "Lendemain de la nuit Lailatoul Qadr" (Day after Night of Power) and "Lendemain de la nuit du Maoloud" (Day after Prophet's Birthday), the naming refers to the daylight hours following the night when these Islamic observances occur. Since in the Islamic calendar days begin at sunset rather than midnight, methods like `_add_laylat_al_qadr_day` and `_add_mawlid_day` correctly calculate these dates without requiring an additional day offset in the implementation, following the same pattern as in the Ivory Coast implementation.
Learnt from: KJhellico
PR: vacanza/holidays#2701
File: holidays/countries/palestine.py:122-122
Timestamp: 2025-07-08T10:21:37.055Z
Learning: In Palestine, Easter follows the same naming pattern as Christmas - both the first and second days of Easter have identical names for the respective religious groups (Catholic or Orthodox). The implementation correctly uses `_add_easter_sunday` for nationwide holidays and `_add_easter_monday` for group-specific second days, but both share the same Arabic name "عيد الفصح المجيد".
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:101-106
Timestamp: 2025-04-03T13:03:16.558Z
Learning: For Islamic holidays in Guinea like "Lendemain de la nuit Lailatoul Qadr" (Day after Night of Power) and "Lendemain de la nuit du Maoloud" (Day after Prophet's Birthday), the naming refers to the daylight hours following the night when these Islamic observances occur. Since in the Islamic calendar days begin at sunset rather than midnight, methods like `_add_laylat_al_qadr_day` and `_add_mawlid_day` correctly calculate these dates without requiring an additional day offset in the implementation.
📚 Learning: 2025-04-03T05:59:57.480Z
Learnt from: PPsyrius
PR: vacanza/holidays#2407
File: snapshots/countries/TL_COMMON.json:7-7
Timestamp: 2025-04-03T05:59:57.480Z
Learning: In the holidays project, snapshot files (like snapshots/countries/TL_COMMON.json) are auto-generated when running `make snapshot` and should not be manually edited. Semicolons (;) in holiday entries are used as separators when multiple holidays occur on the same date.
Applied to files:
snapshots/countries/AZ_COMMON.json
📚 Learning: 2025-04-13T20:41:56.613Z
Learnt from: KJhellico
PR: vacanza/holidays#2386
File: holidays/countries/nepal.py:266-284
Timestamp: 2025-04-13T20:41:56.613Z
Learning: The Islamic holiday dates in the holidays library should only include officially verified dates, not predicted ones, to maintain accuracy. This is especially important for holidays that depend on lunar observations like Eid al-Fitr and Eid al-Adha.
Applied to files:
snapshots/countries/AZ_COMMON.json
📚 Learning: 2025-03-19T16:54:58.657Z
Learnt from: PPsyrius
PR: vacanza/holidays#2354
File: holidays/countries/fiji.py:146-159
Timestamp: 2025-03-19T16:54:58.657Z
Learning: In the holidays library implementation, explicit holiday dates (like Diwali in Fiji) are only defined for historical years with official sources (2016-2025). Future dates beyond the explicitly defined range are automatically calculated by methods like `_add_diwali`, which provide approximations when official dates aren't yet available.
Applied to files:
snapshots/countries/AZ_COMMON.jsonholidays/countries/azerbaijan.py
📚 Learning: 2025-04-04T10:52:41.546Z
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are properly covered by the test_eid_al_fitr_day() method, which tests both the regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-04-04T10:52:41.546Z
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are covered by the test_eid_al_fitr_day() method, which tests both regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-04-25T20:27:59.086Z
Learnt from: KJhellico
PR: vacanza/holidays#2402
File: holidays/countries/trinidad_and_tobago.py:85-92
Timestamp: 2025-04-25T20:27:59.086Z
Learning: The `_populate_observed` method in holiday classes should maintain the same signature as the parent class `ObservedHolidayBase`, even if specific child class implementations don't use all parameters.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-05-06T13:01:22.693Z
Learnt from: Wasif-Shahzad
PR: vacanza/holidays#2522
File: holidays/countries/yemen.py:158-163
Timestamp: 2025-05-06T13:01:22.693Z
Learning: In the holidays library, the RAMADAN_BEGINNING_DATES dictionary in country-specific Islamic holiday classes (like YemenIslamicHolidays) is used indirectly through the backend. When a country class calls _add_holiday_29_ramadan(), the IslamicHolidays implementation uses the country's custom calendar dates to calculate the 29th day of Ramadan by adding 28 days to the beginning date.
Applied to files:
holidays/countries/azerbaijan.py
🧬 Code Graph Analysis (1)
holidays/countries/azerbaijan.py (3)
holidays/holiday_base.py (1)
get_list(971-986)tests/test_holiday_base.py (1)
_add_observed(43-50)holidays/observed_holiday_base.py (1)
_add_observed(144-196)
⏰ Context from checks skipped due to timeout of 300000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (2)
- GitHub Check: Test docs build
- GitHub Check: Build distribution
🔇 Additional comments (2)
snapshots/countries/AZ_COMMON.json (1)
783-783: Please confirm snapshot generation and holiday guidance alignmentThe entries below are present and correctly formatted in snapshots/countries/AZ_COMMON.json:
- Line 783: 2026-03-27 → “Eid al-Fitr (observed, estimated)”
- Line 788: 2026-05-29 → “Eid al-Adha (observed, estimated)”
- Lines 959–960: 2032-03-29 & 2032-03-30 → “Eid al-Adha (observed, estimated)”
- Line 1116: 2037-11-11 → “Eid al-Fitr (observed, estimated)”
Please:
- Confirm these lines were produced via
make snapshot(not hand-edited), per project policy.- Verify that the estimated “observed” days and next-working-day rollover logic match official AZ guidance when available.
holidays/countries/azerbaijan.py (1)
167-176: Robust Bayram detection + name preservation for observed mapping — niceSwitching to substring matching over the date’s names and passing through the original hol_name ensures:
- tolerance to “(estimated)”/combined-name cases, and
- correct “observed, estimated” labeling on the observed date.
This aligns with §105(6) and avoids silently losing the base name. LGTM.
PPsyrius
approved these changes
Aug 18, 2025
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Actionable comments posted: 2
📜 Review details
Configuration used: .coderabbit.yaml
Review profile: ASSERTIVE
Plan: Pro
💡 Knowledge Base configuration:
- MCP integration is disabled by default for public repositories
- Jira integration is disabled by default for public repositories
- Linear integration is disabled by default for public repositories
You can enable these sources in your CodeRabbit configuration.
📒 Files selected for processing (1)
holidays/countries/azerbaijan.py(1 hunks)
🧰 Additional context used
🧠 Learnings (15)
📓 Common learnings
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are properly covered by the test_eid_al_fitr_day() method, which tests both the regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are covered by the test_eid_al_fitr_day() method, which tests both regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Learnt from: KJhellico
PR: vacanza/holidays#2822
File: holidays/countries/azerbaijan.py:170-170
Timestamp: 2025-08-15T20:49:30.182Z
Learning: In Azerbaijan's Labor Code, there is a legal distinction between holidays (Article 105) and days of remembrance (Article 106). Martyrs' Day (January 20) is a day of remembrance under Article 106, not a holiday, which affects how Bayram rollover rules apply when they coincide - §105(6) rollover rules don't apply to days of remembrance.
Learnt from: KJhellico
PR: vacanza/holidays#2386
File: holidays/countries/nepal.py:266-284
Timestamp: 2025-04-13T20:41:56.613Z
Learning: The Islamic holiday dates in the holidays library should only include officially verified dates, not predicted ones, to maintain accuracy. This is especially important for holidays that depend on lunar observations like Eid al-Fitr and Eid al-Adha.
Learnt from: KJhellico
PR: vacanza/holidays#2583
File: holidays/countries/niger.py:137-143
Timestamp: 2025-06-02T18:37:10.923Z
Learning: In Niger's holiday implementation, Eid al-Adha (Tabaski) doesn't require observed holiday handling because it's followed by "Day after Eid al-Adha" (Lendemain de la Tabaski) as a consecutive holiday. If Eid al-Adha falls on Sunday, there's no need to move it to Monday since Monday is already the second holiday.
Learnt from: KJhellico
PR: vacanza/holidays#2623
File: holidays/countries/christmas_island.py:110-112
Timestamp: 2025-07-09T20:27:37.760Z
Learning: In Christmas Island, ANZAC Day (April 25) follows the same observed holiday rules as other holidays, using the SAT_SUN_TO_NEXT_MON rule to move to Monday when it falls on a weekend. The implementation correctly uses `_add_observed` wrapper around `_add_anzac_day`.
📚 Learning: 2025-08-15T20:49:30.182Z
Learnt from: KJhellico
PR: vacanza/holidays#2822
File: holidays/countries/azerbaijan.py:170-170
Timestamp: 2025-08-15T20:49:30.182Z
Learning: In Azerbaijan's Labor Code, there is a legal distinction between holidays (Article 105) and days of remembrance (Article 106). Martyrs' Day (January 20) is a day of remembrance under Article 106, not a holiday, which affects how Bayram rollover rules apply when they coincide - §105(6) rollover rules don't apply to days of remembrance.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-04-04T10:52:41.546Z
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are properly covered by the test_eid_al_fitr_day() method, which tests both the regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-04-04T10:52:41.546Z
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:106-110
Timestamp: 2025-04-04T10:52:41.546Z
Learning: In the Guinea holidays implementation, observed Eid al-Fitr cases are covered by the test_eid_al_fitr_day() method, which tests both regular holiday dates and the observed dates when the holiday falls on a non-working day (for years >= 2023).
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-06-06T14:40:31.932Z
Learnt from: KJhellico
PR: vacanza/holidays#2593
File: holidays/countries/senegal.py:66-110
Timestamp: 2025-06-06T14:40:31.932Z
Learning: In the holidays library, within the _populate_public_holidays method, holidays should be arranged by calendar type (Islamic holidays first, then Gregorian holidays) without additional type grouping comments. The organization by calendar type is sufficient and follows the project's established conventions.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-04-03T13:03:16.558Z
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:101-106
Timestamp: 2025-04-03T13:03:16.558Z
Learning: For Islamic holidays in Guinea like "Lendemain de la nuit Lailatoul Qadr" (Day after Night of Power) and "Lendemain de la nuit du Maoloud" (Day after Prophet's Birthday), the naming refers to the daylight hours following the night when these Islamic observances occur. Since in the Islamic calendar days begin at sunset rather than midnight, methods like `_add_laylat_al_qadr_day` and `_add_mawlid_day` correctly calculate these dates without requiring an additional day offset in the implementation, following the same pattern as in the Ivory Coast implementation.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-08-03T13:48:11.910Z
Learnt from: KJhellico
PR: vacanza/holidays#2777
File: holidays/countries/gambia.py:120-122
Timestamp: 2025-08-03T13:48:11.910Z
Learning: When reviewing holiday implementations in the holidays library, defer to the maintainers' choice of start years for specific holiday policies, as they likely have access to more reliable primary sources and official documentation than what can be found through web searches.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-03-30T08:08:30.415Z
Learnt from: PPsyrius
PR: vacanza/holidays#2388
File: holidays/countries/ivory_coast.py:84-85
Timestamp: 2025-03-30T08:08:30.415Z
Learning: Islamic holiday logic should be implemented in the holidays/groups/islamic.py file, with country-specific files only calling these methods with the appropriate translated names.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-04-03T13:03:16.558Z
Learnt from: KJhellico
PR: vacanza/holidays#2398
File: holidays/countries/guinea.py:101-106
Timestamp: 2025-04-03T13:03:16.558Z
Learning: For Islamic holidays in Guinea like "Lendemain de la nuit Lailatoul Qadr" (Day after Night of Power) and "Lendemain de la nuit du Maoloud" (Day after Prophet's Birthday), the naming refers to the daylight hours following the night when these Islamic observances occur. Since in the Islamic calendar days begin at sunset rather than midnight, methods like `_add_laylat_al_qadr_day` and `_add_mawlid_day` correctly calculate these dates without requiring an additional day offset in the implementation.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-06-16T12:28:31.641Z
Learnt from: PPsyrius
PR: vacanza/holidays#2632
File: holidays/countries/solomon_islands.py:95-98
Timestamp: 2025-06-16T12:28:31.641Z
Learning: Library-wide holiday patterns and their optimizations should be handled at the base class level (like InternationalHolidays) rather than documenting workarounds in individual country modules. This maintains separation of concerns and avoids documentation duplication.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-07-17T11:07:04.986Z
Learnt from: KJhellico
PR: vacanza/holidays#2720
File: README.md:108-110
Timestamp: 2025-07-17T11:07:04.986Z
Learning: Always verify country counts in the holidays library by checking the current count in the COUNTRIES dictionary in holidays/registry.py directly, rather than relying on information from previous PRs, as the count changes frequently with new country additions.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-06-14T11:04:24.104Z
Learnt from: KJhellico
PR: vacanza/holidays#2629
File: holidays/countries/namibia.py:70-73
Timestamp: 2025-06-14T11:04:24.104Z
Learning: In Namibia's holiday system, holidays declared by presidential proclamation under Section 1(3) of the Public Holidays Act may not automatically be subject to the Sunday-to-Monday observation rule in Section 1(2), which primarily applies to holidays listed in the Schedule. Genocide Remembrance Day (May 28) starting in 2025 is treated as a fixed commemorative date without observed day handling.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-04-25T20:27:59.086Z
Learnt from: KJhellico
PR: vacanza/holidays#2402
File: holidays/countries/trinidad_and_tobago.py:85-92
Timestamp: 2025-04-25T20:27:59.086Z
Learning: The `_populate_observed` method in holiday classes should maintain the same signature as the parent class `ObservedHolidayBase`, even if specific child class implementations don't use all parameters.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-05-06T13:01:22.693Z
Learnt from: Wasif-Shahzad
PR: vacanza/holidays#2522
File: holidays/countries/yemen.py:158-163
Timestamp: 2025-05-06T13:01:22.693Z
Learning: In the holidays library, the RAMADAN_BEGINNING_DATES dictionary in country-specific Islamic holiday classes (like YemenIslamicHolidays) is used indirectly through the backend. When a country class calls _add_holiday_29_ramadan(), the IslamicHolidays implementation uses the country's custom calendar dates to calculate the 29th day of Ramadan by adding 28 days to the beginning date.
Applied to files:
holidays/countries/azerbaijan.py
📚 Learning: 2025-03-19T16:54:58.657Z
Learnt from: PPsyrius
PR: vacanza/holidays#2354
File: holidays/countries/fiji.py:146-159
Timestamp: 2025-03-19T16:54:58.657Z
Learning: In the holidays library implementation, explicit holiday dates (like Diwali in Fiji) are only defined for historical years with official sources (2016-2025). Future dates beyond the explicitly defined range are automatically calculated by methods like `_add_diwali`, which provide approximations when official dates aren't yet available.
Applied to files:
holidays/countries/azerbaijan.py
🧬 Code Graph Analysis (1)
holidays/countries/azerbaijan.py (3)
holidays/holiday_base.py (1)
get_list(971-986)tests/test_holiday_base.py (1)
_add_observed(43-50)holidays/observed_holiday_base.py (1)
_add_observed(144-196)
⏰ Context from checks skipped due to timeout of 300000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)
- GitHub Check: Test Python 3.13 on windows-latest
🔇 Additional comments (1)
holidays/countries/azerbaijan.py (1)
167-167: Bayram name matching via localized tuple looks goodUsing self.tr() with a tuple is correct and keeps matching locale-aware. No concerns.
Merged
This was referenced Aug 21, 2025
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Proposed change
Update Azerbaijan holidays: fix observed Islamic holidays.
Type of change
holidaysfunctionality in general)Checklist
make checklocally; all checks and tests passed.