Version 0.88

Released January 5, 2026

• Refactor Macau holidays (#3181 by @KJhellico)
• Refactor New Zealand holidays (#3167 by @PPsyrius)
• Add Bombay Stock Exchange (BSE) holidays (#3170 by @pareshjoshij)
• Add utils::list_long_breaks function to find consecutive holidays (#3001 by @AryaPhansalkar, @arkid15r)
• Update .po files generator: refresh "PO-Revision-Date" on file changes (#3160 by @KJhellico)
• Update Belarus holidays: 2026 substituted holidays (#3183 by @KJhellico)
• Update Brazil holidays: add São Paulo Capital subdivision support (#3128 by @avibrazil, @PPsyrius)
• Update Chile holidays: restore bank holiday Dec 31 (#3154 by @bedefrunner)
• Update Malaysia holidays: add 2026 public holidays (#3140 by @PPsyrius)
• Update Malaysia holidays: update Birthday of the Governor of Sabah (#3141 by @KJhellico)
• Update National Stock Exchange of India holidays: add Gujarati language support (#3143 by @pareshjoshij, @arkid15r)
• Update Sweden holidays: add legally-recognized non-public holidays as DE_FACTO category (#3138 by @vruss)
• Update Taiwan holidays in 2025-2026 (#3156 by @orcahmlee, @KJhellico)
• Update Turks and Caicos Islands holidays: 2026 changes (#3182 by @KJhellico)
• Update United States holidays: add Diwali for California from 2026 onwards (#3162 by @philgresh, @arkid15r)
• Update United States holidays: add federal (GOVERNMENT) special holidays (#3159 by @KJhellico)
• Update United States holidays: update Alaska (AK) state holidays (#3174 by @KJhellico)
• Update United States holidays: update Puerto Rico holidays (#3135 by @KJhellico)
• Update Uzbekistan holidays: add 2025-2026 special holidays (#3172 by @KJhellico)
• Update Venezuela holidays (#3191 by @PPsyrius, @arkid15r)
• Update l10n test: check .po files for placeholders mismatch (#3169 by @KJhellico, @arkid15r)
• Update make script for Windows (#3173 by @KJhellico)
• Add dependency upgrade Makefile target (#3166 by @arkid15r)
• Move version source of truth to holidays/VERSION (#3157 by @arkid15r)
• Run make upgrade (#3186 by @arkid15r)
• l10n cleanup (#3142 by @PPsyrius)

New Contributors:

• @vruss made their first contribution in #3138
• @bedefrunner made their first contribution in #3154
• @orcahmlee made their first contribution in #3156
• @avibrazil made their first contribution in #3128
• @philgresh made their first contribution in #3162

Full Changelog: v0.87...v0.88

Version 0.87

Released December 15, 2025

• Refactor TestAllInSameYear class (#3131 by @PPsyrius, @arkid15r)
• Refactor tests: long holiday names representation cleanup (#3134 by @KJhellico)
• Update Bangladesh holidays: add l10n support (#3117 by @NehaaGaikwad)
• Update Chinese calendar: improve Qingming Festival date calculation (#3119 by @KJhellico, @arkid15r)
• Update Germany holidays (#3102 by @KJhellico)
• Update India holidays: add Gujarati language support (#3130 by @pareshjoshij, @arkid15r)
• Update India holidays: correct dates for Maharana Pratap Jayanti (RJ) and Bathukamma (TS) (#3124 by @pareshjoshij)
• Update United States holidays: fix Washington's Birthday logic (#2722 by @parkerbxyz, @arkid15r, @KJhellico)
• Update XNYS holidays: add half-day holidays (#3111 by @KJhellico, @arkid15r)
• Update documentation build settings (#3114 by @KJhellico, @arkid15r)
• Adjust project files after migration to uv (#3116 by @KJhellico, @arkid15r)
• Migrate to uv for dependency management (#3101 by @PPsyrius, @arkid15r, @KJhellico)
• Use explicit Python version during uv setup (#3115 by @arkid15r)

New Contributors:

• @pareshjoshij made their first contribution in #3124

Full Changelog: v0.86...v0.87

Version 0.86

Released December 1, 2025

• Introduce HolidayBase::_add_multiday_holiday method (#3059 by @KJhellico, @arkid15r)
• Refactor Taiwan holidays (#3077 by @KJhellico)
• Refactor some HolidayBase methods (#3079 by @KJhellico, @arkid15r)
• Fix typography: replace U+2019 with "'" (#3076 by @KJhellico)
• Update .readthedocs.yaml: bump OS/Python versions (#3093 by @arkid15r)
• Update Bulgaria holidays (#3078 by @KJhellico)
• Update Estonia holidays (#3089 by @KJhellico)
• Update Italy holidays: add new holiday Oct 4, historical holidays, l10n support (#3075 by @KJhellico)
• Update Nepal holidays: add l10n support (#3091 by @NehaaGaikwad)
• Update Sweden holidays: add categories support (#3096 by @KJhellico)
• Update Taiwan holidays: fix l10n for substituted day off (#3066 by @petercpg)
• Update documentation: remove mixins from summary (#3094 by @KJhellico)
• Add assert{variant}HolidayDatesInYear, assert{variant}HolidaysInYear test methods (#3090 by @PPsyrius, @arkid15r)
• Add comprehensive holiday categories documentation (#2851 by @tharu-jwd, @arkid15r, @KJhellico)
• Library-wide th l10n typo cleanup (#3097 by @PPsyrius)
• Migrate D-H countries to new test case standards (#3088 by @PPsyrius)

New Contributors:

• @NehaaGaikwad made their first contribution in #3091
• @petercpg made their first contribution in #3066
• @tharu-jwd made their first contribution in #2851

Full Changelog: v0.85...v0.86

Version 0.85

Released November 17, 2025

• Refactor l10n scripts (#3063 by @PPsyrius, @arkid15r)
• Refactor snapshots generator: ProcessPoolExecutor, UTF-8 support (#3062 by @PPsyrius)
• Update Azerbaijan holidays in 2025 (#3060 by @KJhellico)
• Update China holidays in 2026 (#3052 by @KJhellico)
• Update Ecuador holidays: fix observance rules (#3049 by @PPsyrius)
• Update National Stock Exchange of India holidays (#2888 by @saheelsapovadia, @KJhellico)
• Update Thailand holidays: add 2026 Royal Ploughing Ceremony (#3044 by @PPsyrius)
• Update Turkey holidays: add historical holidays (#3050 by @KJhellico)
• Update United States holidays: add Native American Heritage Day in WA (#3045 by @waltdowning)
• Centralize all per-file ignores to pyproject.toml (#3053 by @PPsyrius)
• TestCase Syntactic Sugar Support (#2881 by @PPsyrius, @arkid15r)

New Contributors:

• @waltdowning made their first contribution in #3045

Full Changelog: v0.84...v0.85

Version 0.84

Released November 3, 2025

• Update Spain holidays in 2008-2009, 2026 (#3026 by @PPsyrius)
• Update Sri Lanka holidays in 2026 (#3033 by @PPsyrius)
• Add ChristianHolidays::_add_saint_martins_day method (#3023 by @PPsyrius)
• Drop Python 3.9 support (#2998 by @PPsyrius)
• Standardize th l10n for "{insert} Anniversary of...." (#3027 by @PPsyrius)

Full Changelog: v0.83...v0.84

Version 0.83

Released October 20, 2025

• Add _add_observed/_move_holiday's force_observed support (#2986 by @PPsyrius)
• Introduce HolidayBase::_is_weekday method (#2999 by @PPsyrius, @arkid15r)
• Refactor HolidaySum::__init__ (#3013 by @KJhellico, @arkid15r)
• Add Western Sahara holidays (#3003 by @PPsyrius, @arkid15r)
• Update Denmark holidays: add th l10n support, refactor test cases (#3011 by @PPsyrius)
• Update Islamic holidays calculation (#2981 by @KJhellico)
• Update Netherlands holidays: add th l10n, refactor test cases (#3006 by @PPsyrius)
• Update Slovakia holidays: additional holidays moved to WORKDAY for 2026 (#3005 by @KJhellico)
• Update Slovakia holidays: move "Struggle for Freedom and Democracy Day" to WORKDAY category for 2025 onwards (#3004 by @PPsyrius)
• Update Switzerland holidays: add Zurich's HALF_DAY, OPTIONAL holidays, th l10n support (#2984 by @PPsyrius, @arkid15r)
• Update badges (#2990 by @arkid15r)
• Update ruff configuration: add flake8-boolean-trap (FBT) errors check (#3007 by @KJhellico)
• Inline single-use variables, update .py files formatting (#3014 by @KJhellico)
• Switch to Python 3.14 (#2997 by @arkid15r)

Full Changelog: v0.82...v0.83

Version 0.82

Released October 6, 2025

• Add variable weekend support (#2945 by @KJhellico, @arkid15r)
• Refactor Chile holidays: reduce l10n string duplication (#2934 by @PPsyrius)
• Refactor Cuba holidays: reduce l10n string duplication (#2935 by @PPsyrius)
• Refactor Eastern holidays groups (#2966 by @KJhellico)
• Refactor Hungary holidays: reduce l10n string duplication (#2936 by @PPsyrius)
• Refactor Japan holidays: reduce l10n string duplication, en_US typo fixed (#2937 by @PPsyrius)
• Refactor Portugal holidays: consolidate holidays code (#2943 by @PPsyrius)
• Refactor South Africa holidays: move start_year to 1911, capitalization fixes (#2942 by @PPsyrius)
• Refactor test_utils.py (#2970 by @PPsyrius)
• Refactor iCal exporter (#2977 by @KJhellico)
• Refactor imports in certain countries: use TYPE_CHECKING (#2949 by @KJhellico, @arkid15r)
• Add Antarctica holidays (#2962 by @Aaqilyousuf)
• Add Myanmar holidays (#2944 by @KJhellico, @arkid15r)
• Add North Korea holidays (#2911 by @Wasif-Shahzad)
• Update Spain holidays: add Catalan (ca) localization (#2960 by @Oriol-Romani-BA, @arkid15r, @KJhellico, @PPsyrius)
• Fix working day test (#2950 by @KJhellico)
• Update Afghanistan holidays: 2025 exact Islamic holidays observances (#2932 by @PPsyrius)
• Update Algeria holidays: add CHRISTIAN, HEBREW supported categories (#2928 by @PPsyrius)
• Update Brazil holidays: Republic Constitution Day typo fixed (#2933 by @PPsyrius)
• Update Djibouti holidays: change holiday groups MRO (#2931 by @PPsyrius)
• Update India holidays: add Ugadi holiday for AP, KA, TS subdivisions (#2953 by @Aaqilyousuf, @arkid15r)
• Update Myanmar holidays: add th l10n support (#2959 by @PPsyrius)
• Update Norway holidays: update subdivision list as per 2024 administrative reform (#2952 by @Exerqtor, @arkid15r, @PPsyrius)
• Update Paraguay holidays: typo fixed, 2023-2025 government holidays (#2938 by @PPsyrius, @arkid15r)
• Update Serbia holidays: set 2007 as start_year (#2939 by @PPsyrius)
• Update Sri Lanka holidays: testcase name typo fixed (#2940 by @PPsyrius)
• Update Switzerland holidays: standardize code comment (#2941 by @PPsyrius)
• Update Taiwan holidays: add support for 1998-2000 special weekend pattern (#2948 by @PPsyrius, @arkid15r)
• Update Thailand holidays: add support for historical weekend patterns (#2951 by @PPsyrius, @arkid15r)
• Update the United States holidays: add Father's Day and Mother's Day for UNOFFICIAL category (#2975 by @PPsyrius)
• Add no holiday countries (#2969 by @arkid15r)
• Replace lru_cache with cache (#2964 by @arkid15r, @KJhellico)

New Contributors:

• @Aaqilyousuf made their first contribution in #2953
• @AryaPhansalkar made their first contribution in #2971
• @Exerqtor made their first contribution in #2952
• @Oriol-Romani-BA made their first contribution in #2960

Full Changelog: v0.81...v0.82

Version 0.81

Released September 15, 2025

• Add Saint Helena, Ascension and Tristan da Cunha holidays (#2820 by @Abheelash-Mishra, @arkid15r)
• Add Sudan holidays (#2854 by @anshonweb)
• Update Chinese Lunisolar calendar: extend Winter Solstice support (#2927 by @KJhellico)
• Update Philippines holidays: add 2026 holidays (#2912 by @KJhellico)
• Update Spain holidays: add Dec 3 holiday in Navarre (#2895 by @KJhellico)
• Update countries with Eastern holidays: add estimated holidays labels (#2924 by @KJhellico, @arkid15r)
• Update release notes generator (#2929 by @KJhellico)
• Simplify N802 suppression for common.py (#2880 by @arkid15r)

Full Changelog: v0.80...v0.81

Version 0.80

Released September 1, 2025

• Refactor Australia holidays (#2828 by @KJhellico)
• Refactor Macau holidays: holiday categories standardization (#2868 by @PPsyrius)
• Add Comoros holidays (#2827 by @Prateekshit73, @arkid15r, @prateekshit-v)
• Add Eritrea holidays (#2783 by @Prateekshit73, @prateekshit-v)
• Add National Stock Exchange of India (NSE) holidays (#2834 by @saheelsapovadia, @arkid15r)
• Add Rwanda holidays (#2792 by @Prateekshit73, @prateekshit-v)
• Add Somalia holidays (#2848 by @Prateekshit73, @arkid15r, @prateekshit-v)
• Add South Sudan holidays (#2831 by @Prateekshit73, @arkid15r, @prateekshit-v)
• Add Tajikistan holidays (#2852 by @Wasif-Shahzad)
• Add Uganda holidays (#2833 by @Prateekshit73, @arkid15r, @prateekshit-v)
• Add estimated_label to all countries with Islamic holidays (#2860 by @KJhellico, @arkid15r)
• Fix Hindu Lunisolar calendar (#2871 by @KJhellico)
• Fix Islamic holidays tests (#2849 by @KJhellico)
• Fix TestAllInSameYear methods (#2877 by @KJhellico)
• Update Bosnia and Herzegovina holidays (#2869 by @KJhellico)
• Update Burundi holidays, add l10n support (#2843 by @PPsyrius)
• Update Canada holidays: add National Day for Truth and Reconciliation in MB (#2829 by @KJhellico)
• Update Georgia holidays: add August 29, 2025 special holiday (#2863 by @KJhellico)
• Update Guinea-Bissau holidays (#2859 by @KJhellico, @arkid15r)
• Update Nigeria holidays, add l10n support (#2874 by @PPsyrius)
• Update Singapore holidays: remove duplicate holidays label assignment (#2844 by @PPsyrius)
• Update Tanzania holidays: extend holidays support to 1965 (#2821 by @PPsyrius)
• Update common::CommonTests: expand label tests to financial entities (#2876 by @arkid15r)
• Add .zenodo.json (#2870 by @arkid15r)
• Add common::TestCase::assertHolidayNameCount method (#2873 by @KJhellico)
• Add metadata package version mismatch hint (#2846 by @arkid15r)
• Add missing docstring for __init__ method (#2850 by @KJhellico)
• Expose entity additional codes (#2879 by @arkid15r)
• Test Case Name Standardization (#2853 by @PPsyrius)
• Unify imports (#2845 by @KJhellico)
• Use aux repository data for downloads badge (#2832 by @arkid15r)

New Contributors

• @saheelsapovadia made their first contribution in #2834

Full Changelog: v0.79...v0.80

Version 0.79

Released August 18, 2025

• Add Bhutan holidays (#2635 by @Prateekshit73, @arkid15r, @code-with-aneesh, @KJhellico, @prateekshit-v)
• Add Gambia holidays (#2777 by @kritibirda26, @arkid15r)
• Add Guinea-Bissau holidays (#2776 by @kritibirda26, @arkid15r, @KJhellico)
• Add Iraq holidays (#2763 by @kritibirda26, @arkid15r)
• Add Kiribati holidays (#2778 by @kritibirda26, @arkid15r)
• Add Liberia holidays (#2774 by @kritibirda26)
• Add South Georgia and the South Sandwich Islands holidays (#2761 by @tr33k)
• Add Syrian Arab Republic holidays (#2791 by @Wasif-Shahzad)
• Add Turkmenistan holidays (#2757 by @Wasif-Shahzad)
• Update Azerbaijan holidays: fix observed Islamic holidays (#2822 by @KJhellico, @arkid15r)
• Update Bahrain holidays (#2784 by @KJhellico)
• Update Bhutan holidays: reference link archival (#2795 by @PPsyrius)
• Update Canada holidays: adjust introduction year of National Aboriginal Day in NT (#2804 by @KJhellico)
• Update Chile holidays: abolition of Dec 31 bank holiday (#2793 by @mbfarah)
• Update Chile holidays: add special holidays (#2798 by @mbfarah)
• Update Ethiopia holidays, add ETHIOPIAN_CALENDAR support, Julian Date Drift adjustment pre-1899 and post-2099 (#2794 by @PPsyrius)
• Update Turkmenistan holidays (#2785 by @KJhellico)
• Update badges: add downloads badge temporary fix (#2817 by @arkid15r)
• Update pre-commit: add pyproject-fmt (#2814 by @arkid15r)
• Update release notes generator (#2802 by @KJhellico)
• Add HolidayBase::is_weekend method (#2780 by @KJhellico, @arkid15r)
• Implement confirmed years range support for custom calendars (#2759 by @KJhellico, @arkid15r)
• Remove setup.py (#2823 by @arkid15r)
• Split tests/test_holiday_groups.py (#2803 by @arkid15r)

New Contributors

• @mbfarah made their first contribution in #2793

Full Changelog: v0.78...v0.79