Calendar pack · Days to remember · United States
Universal dates · United States
Sourced days to remember dates for United States. Download a calendar file or subscribe for updates.
Technical details
Dates with one cited rule for United States, including the worldwide dates. Always included with a United States pack.
v1 · Updated 17 Oct 2026 | 16 dates · Updated 17 Oct 2026
Worldwide rules, plus this country's cited variants. Mother's Day, Father's Day and Friendship Day are included only where the engine has a cited rule. Friendship Day, an India Mother's Day rule, and Germany's Father's Day are not included.
Get this pack
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.
App coming soonSubscribe link (webcal)Your calendar app checks for changes and keeps the dates current.
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 universal us, so you can find it, or remove the whole pack, from the Tags tab.
| Date | Name | Note |
|---|---|---|
| Every year on 1 January | New Year's Day | The first day of the Gregorian year. One of many new years - Ugadi, Nowruz and Rosh Hashanah each open a different reckoning. · Worldwide |
| Every year on 8 March | International Women's Day | A United Nations observance. · Worldwide |
| Every year on 7 April | World Health Day | Marks the founding of the World Health Organization. · Worldwide |
| Every year on 1 May | International Workers' Day | Labour Day in much of the world. The United States keeps its own Labor Day in September instead. · Worldwide |
| Every year on the 2nd Sunday of May | Mother's Day (US) | Kept on the second Sunday of May in the United States and many other countries. The United Kingdom keeps Mothering Sunday instead, which is tied to Lent and therefore moves with Easter. · United States |
| Every year on the last Monday of May | Memorial Day | A United States federal holiday on the last Monday of May. · United States |
| Every year on 5 June | World Environment Day | A United Nations environmental observance. · Worldwide |
| Every year on the 3rd Sunday of June | Father's Day (US) | Kept on the third Sunday of June in the United States and many other countries. · United States |
| Every year on 21 June | International Day of Yoga | A United Nations observance held at the June solstice. · Worldwide |
| Every year on the 1st Monday of September | Labor Day | A United States federal holiday on the first Monday of September, distinct from the 1 May observance kept elsewhere. · United States |
| Every year on 2 October | International Day of Non-Violence | A United Nations observance held on Gandhi's birth anniversary. · Worldwide |
| Every year on 24 October | United Nations Day | Marks the entry into force of the UN Charter in 1945. · Worldwide |
| Every year on the 4th Thursday of November | Thanksgiving | A United States federal holiday on the fourth Thursday of November. · United States |
| Every year on 10 December | Human Rights Day | Marks the adoption of the Universal Declaration of Human Rights in 1948. · Worldwide |
| Every year on 25 December | Christmas Day | Fixed at 25 December in the Gregorian calendar. Churches on the Julian calendar keep the same fixed date in their own reckoning, which currently renders as 7 January. · Worldwide |
| Every year on 31 December | New Year's Eve | The last day of the Gregorian year. · Worldwide |
All 16 dates.
Sources
Worldwide rules, plus this country's cited variants. Mother's Day, Father's Day and Friendship Day are included only where the engine has a cited rule. Friendship Day, an India Mother's Day rule, and Germany's Father's Day are not included.
- Church of England: the Calendar (Common Worship) · retrieved 15 September 2026, reviewed 15 September 2026Calendar fact cited by URL; no liturgical text copied.
- Gregorian calendar (fixed civil dates) · retrieved 15 September 2026, reviewed 15 September 2026Independent factual calendar reference; no source content copied.
- International Labour Organization: May Day · retrieved 15 September 2026, reviewed 15 September 2026ILO factual observance-date citation.
- United Nations: list of international days and weeks · retrieved 15 September 2026, reviewed 15 September 2026United Nations factual observance-date citation.
- US Code, Title 36, §109 (Father's Day) · retrieved 15 September 2026, reviewed 15 September 2026United States Code factual rule citation.
- US Code, Title 36, §117 (Mother's Day) · retrieved 15 September 2026, reviewed 15 September 2026United States Code factual rule citation.
- US Code, Title 4, §6 (flag days) · retrieved 15 September 2026, reviewed 15 September 2026United States Code factual rule citation.
- World Health Organization: World Health Day · retrieved 15 September 2026, reviewed 15 September 2026WHO factual observance-date citation.