Calendar pack · Days to remember · Worldwide
UN international days 2026–2028
Sourced days to remember dates for Worldwide from 2026 to 2028. Download a calendar file or subscribe for updates.
Technical details
International days set by the United Nations and its agencies that fall on the same date every year, as listed by the UN, for 2026–2028. UN Day, Human Rights Day, Women's Day, Health Day, Environment Day and Yoga Day are in the worldwide packs already.
v2 · Updated 24 Oct 2026 | 79 dates · Updated 24 Oct 2026
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App coming soon. Use the calendar file now, or get a launch notice.
Calendar file (.ics)One-time import into Google Calendar, Apple Calendar or Outlook.
Download .icsWhatDate pack (.whatdate)Best on Android: reminders before each date, notes, and updates when the pack changes.
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How to import
- WhatDate: tap “Get in WhatDate” on your phone. The app opens and asks before adding anything.
- Google Calendar: Settings › Import, then choose the .ics file. Or subscribe to keep it current.
- Apple Calendar or Outlook: open the .ics file, or add the subscription link.
Dates in this pack
In WhatDate every date from this pack is tagged un international days, so you can find it, or remove the whole pack, from the Tags tab.
| Date | Name | Note |
|---|---|---|
| Fri 20 Feb 2026 | World Day of Social Justice | A United Nations international day, kept every year on this date (A/RES/62/10). |
| Sat 21 Feb 2026 | International Mother Language Day | A United Nations international day, kept every year on this date (A/RES/56/262). |
| Tue 3 Mar 2026 | World Wildlife Day | A United Nations international day, kept every year on this date (A/RES/68/205). |
| Fri 20 Mar 2026 | International Day of Happiness | A United Nations international day, kept every year on this date (A/RES/66/281). |
| Sun 22 Mar 2026 | World Water Day | A United Nations international day, kept every year on this date (A/RES/47/193). |
| Wed 22 Apr 2026 | International Mother Earth Day | Also called Earth Day. A United Nations international day, kept every year on this date (A/RES/63/278). |
| Thu 23 Apr 2026 | World Book and Copyright Day | A United Nations international day, kept every year on this date (UNESCO 28 C/Resolution 3.18). |
| Fri 1 May 2026 | Buddha Purnima | Vesak, the Day of the Full Moon in May, recognised by the United Nations (A/RES/54/115). The UN publishes only the current year's date; 2027 and 2028 are not listed yet. |
| Sun 3 May 2026 | World Press Freedom Day | A United Nations international day, kept every year on this date (UNESCO 26 C/Resolution 4.3). |
| Fri 15 May 2026 | International Day of Families | A United Nations international day, kept every year on this date (A/RES/47/237). |
| Fri 22 May 2026 | International Day for Biological Diversity | A United Nations international day, kept every year on this date (A/RES/55/201). |
| Mon 8 Jun 2026 | World Oceans Day | A United Nations international day, kept every year on this date (A/RES/63/111). |
| Sat 20 Jun 2026 | World Refugee Day | A United Nations international day, kept every year on this date (A/RES/55/76). |
| Sat 11 Jul 2026 | World Population Day | A United Nations international day, kept every year on this date (A/RES/45/216). |
| Wed 12 Aug 2026 | International Youth Day | A United Nations international day, kept every year on this date (A/RES/54/120). |
| Sat 5 Sep 2026 | International Day of Charity | A United Nations international day, kept every year on this date (A/RES/67/105). |
| Tue 8 Sep 2026 | International Literacy Day | A United Nations international day, kept every year on this date (UNESCO 14 C/Resolution 1.441). |
| Mon 21 Sep 2026 | International Day of Peace | A United Nations international day, kept every year on this date (A/RES/36/67). |
| Sun 27 Sep 2026 | World Tourism Day | A United Nations international day, kept every year on this date, led by UN Tourism. |
| Thu 1 Oct 2026 | International Day of Older Persons | A United Nations international day, kept every year on this date (A/RES/45/106). |
| Mon 5 Oct 2026 | World Teachers' Day | A United Nations international day, kept every year on this date (UNESCO 27 C/INF.7). |
| Sat 10 Oct 2026 | World Mental Health Day | A United Nations international day, kept every year on this date, led by WHO. |
| Sun 11 Oct 2026 | International Day of the Girl Child | A United Nations international day, kept every year on this date (A/RES/66/170). |
| Fri 16 Oct 2026 | World Food Day | A United Nations international day, kept every year on this date (A/RES/35/70). |
| Wed 25 Nov 2026 | International Day for the Elimination of Violence against Women | A United Nations international day, kept every year on this date (A/RES/54/134). |
| Tue 1 Dec 2026 | World AIDS Day | A United Nations international day, kept every year on this date, led by UNAIDS. |
| Thu 3 Dec 2026 | International Day of Persons with Disabilities | A United Nations international day, kept every year on this date (A/RES/47/3). |
| Sat 20 Feb 2027 | World Day of Social Justice | A United Nations international day, kept every year on this date (A/RES/62/10). |
| Sun 21 Feb 2027 | International Mother Language Day | A United Nations international day, kept every year on this date (A/RES/56/262). |
| Wed 3 Mar 2027 | World Wildlife Day | A United Nations international day, kept every year on this date (A/RES/68/205). |
| Sat 20 Mar 2027 | International Day of Happiness | A United Nations international day, kept every year on this date (A/RES/66/281). |
| Mon 22 Mar 2027 | World Water Day | A United Nations international day, kept every year on this date (A/RES/47/193). |
| Thu 22 Apr 2027 | International Mother Earth Day | Also called Earth Day. A United Nations international day, kept every year on this date (A/RES/63/278). |
| Fri 23 Apr 2027 | World Book and Copyright Day | A United Nations international day, kept every year on this date (UNESCO 28 C/Resolution 3.18). |
| Mon 3 May 2027 | World Press Freedom Day | A United Nations international day, kept every year on this date (UNESCO 26 C/Resolution 4.3). |
| Sat 15 May 2027 | International Day of Families | A United Nations international day, kept every year on this date (A/RES/47/237). |
| Sat 22 May 2027 | International Day for Biological Diversity | A United Nations international day, kept every year on this date (A/RES/55/201). |
| Tue 8 Jun 2027 | World Oceans Day | A United Nations international day, kept every year on this date (A/RES/63/111). |
| Sun 20 Jun 2027 | World Refugee Day | A United Nations international day, kept every year on this date (A/RES/55/76). |
| Sun 11 Jul 2027 | World Population Day | A United Nations international day, kept every year on this date (A/RES/45/216). |
| Thu 12 Aug 2027 | International Youth Day | A United Nations international day, kept every year on this date (A/RES/54/120). |
| Sun 5 Sep 2027 | International Day of Charity | A United Nations international day, kept every year on this date (A/RES/67/105). |
| Wed 8 Sep 2027 | International Literacy Day | A United Nations international day, kept every year on this date (UNESCO 14 C/Resolution 1.441). |
| Tue 21 Sep 2027 | International Day of Peace | A United Nations international day, kept every year on this date (A/RES/36/67). |
| Mon 27 Sep 2027 | World Tourism Day | A United Nations international day, kept every year on this date, led by UN Tourism. |
| Fri 1 Oct 2027 | International Day of Older Persons | A United Nations international day, kept every year on this date (A/RES/45/106). |
| Tue 5 Oct 2027 | World Teachers' Day | A United Nations international day, kept every year on this date (UNESCO 27 C/INF.7). |
| Sun 10 Oct 2027 | World Mental Health Day | A United Nations international day, kept every year on this date, led by WHO. |
| Mon 11 Oct 2027 | International Day of the Girl Child | A United Nations international day, kept every year on this date (A/RES/66/170). |
| Sat 16 Oct 2027 | World Food Day | A United Nations international day, kept every year on this date (A/RES/35/70). |
| Thu 25 Nov 2027 | International Day for the Elimination of Violence against Women | A United Nations international day, kept every year on this date (A/RES/54/134). |
| Wed 1 Dec 2027 | World AIDS Day | A United Nations international day, kept every year on this date, led by UNAIDS. |
| Fri 3 Dec 2027 | International Day of Persons with Disabilities | A United Nations international day, kept every year on this date (A/RES/47/3). |
| Sun 20 Feb 2028 | World Day of Social Justice | A United Nations international day, kept every year on this date (A/RES/62/10). |
| Mon 21 Feb 2028 | International Mother Language Day | A United Nations international day, kept every year on this date (A/RES/56/262). |
| Fri 3 Mar 2028 | World Wildlife Day | A United Nations international day, kept every year on this date (A/RES/68/205). |
| Mon 20 Mar 2028 | International Day of Happiness | A United Nations international day, kept every year on this date (A/RES/66/281). |
| Wed 22 Mar 2028 | World Water Day | A United Nations international day, kept every year on this date (A/RES/47/193). |
| Sat 22 Apr 2028 | International Mother Earth Day | Also called Earth Day. A United Nations international day, kept every year on this date (A/RES/63/278). |
| Sun 23 Apr 2028 | World Book and Copyright Day | A United Nations international day, kept every year on this date (UNESCO 28 C/Resolution 3.18). |
| Wed 3 May 2028 | World Press Freedom Day | A United Nations international day, kept every year on this date (UNESCO 26 C/Resolution 4.3). |
| Mon 15 May 2028 | International Day of Families | A United Nations international day, kept every year on this date (A/RES/47/237). |
| Mon 22 May 2028 | International Day for Biological Diversity | A United Nations international day, kept every year on this date (A/RES/55/201). |
| Thu 8 Jun 2028 | World Oceans Day | A United Nations international day, kept every year on this date (A/RES/63/111). |
| Tue 20 Jun 2028 | World Refugee Day | A United Nations international day, kept every year on this date (A/RES/55/76). |
| Tue 11 Jul 2028 | World Population Day | A United Nations international day, kept every year on this date (A/RES/45/216). |
| Sat 12 Aug 2028 | International Youth Day | A United Nations international day, kept every year on this date (A/RES/54/120). |
| Tue 5 Sep 2028 | International Day of Charity | A United Nations international day, kept every year on this date (A/RES/67/105). |
| Fri 8 Sep 2028 | International Literacy Day | A United Nations international day, kept every year on this date (UNESCO 14 C/Resolution 1.441). |
| Thu 21 Sep 2028 | International Day of Peace | A United Nations international day, kept every year on this date (A/RES/36/67). |
| Wed 27 Sep 2028 | World Tourism Day | A United Nations international day, kept every year on this date, led by UN Tourism. |
| Sun 1 Oct 2028 | International Day of Older Persons | A United Nations international day, kept every year on this date (A/RES/45/106). |
| Thu 5 Oct 2028 | World Teachers' Day | A United Nations international day, kept every year on this date (UNESCO 27 C/INF.7). |
| Tue 10 Oct 2028 | World Mental Health Day | A United Nations international day, kept every year on this date, led by WHO. |
| Wed 11 Oct 2028 | International Day of the Girl Child | A United Nations international day, kept every year on this date (A/RES/66/170). |
| Mon 16 Oct 2028 | World Food Day | A United Nations international day, kept every year on this date (A/RES/35/70). |
| Sat 25 Nov 2028 | International Day for the Elimination of Violence against Women | A United Nations international day, kept every year on this date (A/RES/54/134). |
| Fri 1 Dec 2028 | World AIDS Day | A United Nations international day, kept every year on this date, led by UNAIDS. |
| Sun 3 Dec 2028 | International Day of Persons with Disabilities | A United Nations international day, kept every year on this date (A/RES/47/3). |
All 79 dates.
Sources
- United Nations: List of international days and weeks · retrieved 24 October 2026, reviewed 24 October 2026United Nations factual observance-date citation; names and dates only.
- United Nations: Vesak Day · retrieved 24 October 2026, reviewed 24 October 2026United Nations factual observance-date citation; names and dates only.