Today
Sunday May 31 2026
- Day of the year
- 151/ 365
- Week
- 222,026
- Days left
- 21441%
- Moon
- 100%Full moon
Today is Sunday, May 31, 2026. It is day 151 of 2026, a year of 365 days: 214 remain, and 41% of the year has gone. Under ISO 8601 this date falls in week 22.
What's celebrated on this date
World No-Tobacco Day
Saints and name days
Saints whose feast falls on this date, most widely known first.
- VisitationChristian story of Mary visiting Elizabeth
- Saint PetronillaRoman Catholic saint
- Eustathius of ConstantinoplePatriarch of Constantinople
- Felix of NicosiaCatholic Saint (1715-1787)
- Cantius, Cantianius, and CantianellaMartyrs and saints
Sources : Wikidata (P841) · CC0 1.0
Astronomy
New York
- Sunrise
- 05:27
- Sunset
- 20:20
- Length of day
- 14h 53m+1 min vs yesterday
- Solar noon
- 12:54
Times shown for America/New_York
Season
Spring
began on March 20, 2026
Next season
Summer — 21 days, June 21, 2026 (June solstice)
Public holidays — United States
Not a public holiday in the United States.
Next public holiday : Juneteenth National Independence Day — June 19, 2026
National holidays only. Regions, provinces and Länder add their own.
Moon
Full moon
Illumination : 100%
Moon age : 14.8 days
- Next full moon
- June 29, 2026
- Next new moon
- June 15, 2026
Astrology
Today's zodiac sign
Gemini
until June 21, 2026 — Cancer
Zodiac dates are an astrological convention, not the Sun's actual position among the constellations. The astronomy above is measured; this is not.
On this day in history
455
Emperor Petronius Maximus is stoned to death by an angry mob while fleeing Rome. Wikipedia
1223
Mongol invasion of the Cumans: Battle of the Kalka River: Mongol armies of Genghis Khan led by Subutai defeat Kievan Rus' and Cumans. Wikipedia
1902
Second Boer War: The Treaty of Vereeniging ends the war and ensures British control of South Africa. Wikipedia
1910
The South Africa Act comes into force, establishing the Union of South Africa. Wikipedia
1911
The RMS Titanic is launched in Belfast, Northern Ireland. Wikipedia
1916
World War I: Battle of Jutland: The British Grand Fleet engages the High Seas Fleet in the largest naval battle of the war, which proves indecisive. Wikipedia
Show more (4)
1921
The Tulsa race massacre kills at least 39, but other estimates of black fatalities vary from 55 to about 300. Wikipedia
1961
The South African Constitution of 1961 becomes effective, thus creating the Republic of South Africa, which remains outside the Commonwealth of Nations until 1 June 1994, when South Africa is returned to Commonwealth membership. Wikipedia
1970
The 7.9 Mw Ancash earthquake shakes Peru with a maximum Mercalli intensity of VIII (Severe) and a landslide buries the town of Yungay, Peru. Between 66,794 and 70,000 were killed and 50,000 were injured. Wikipedia
2010
Israeli Shayetet 13 commandos board the Gaza Freedom Flotilla while still in international waters trying to break the ongoing blockade of the Gaza Strip; nine Turkish citizens on the flotilla were killed in the ensuing violent affray. Wikipedia
Sources : Wikipedia (en) · CC BY-SA 4.0 · Data imported on 2026-08-26
Births and deaths
Born on this day May 31
- 1535Alessandro Allori, Italian painter (died 1607)
- 1819Walt Whitman, American poet, essayist, and journalist (died 1892)
- 1857Pope Pius XI (died 1939)
- 1892Gregor Strasser, German lieutenant and politician (died 1934)
- 1908Don Ameche, American actor (died 1993)
- 1911Maurice Allais, French economist and physicist, Nobel Prize laureate (died 2010)
- 1945Laurent Gbagbo, Ivorian academic and politician, 4th President of Côte d'Ivoireturns 81 years
- 1963Viktor Orbán, Hungarian politician, 38th Prime Minister of Hungaryturns 63 years
Died on this day May 31
- 1162Géza II, king of Hungary (born 1130)aged 32 years
- 1410Martin of Aragon, Spanish king (born 1356)aged 54 years
- 1809Joseph Haydn, Austrian pianist and composer (born 1732)aged 77 years
- 1809Jean Lannes, French general (born 1769)aged 40 years
- 1832Évariste Galois, French mathematician and theorist (born 1811)aged 21 years
- 1976Jacques Monod, French biologist and geneticist, Nobel Prize laureate (born 1910)aged 66 years
- 1977William Castle, American actor, director, producer, and screenwriter (born 1914)aged 63 years
- 2016Mohamed Abdelaziz, President of the Sahrawi Arab Democratic Republic (1976–2016) (born 1947)aged 69 years
Sources : Wikipedia (en) · CC BY-SA 4.0 · Data imported on 2026-08-26
The day in words
In New York the sun rises at 05:27 and sets at 20:20, giving 14h 53m of daylight — 1 minute more than yesterday. It has been spring since March 20, 2026; summer opens in 21 days, on June 21, 2026 (June solstice).
The moon is full, 100% illuminated. The next full moon falls on June 29, 2026 and the next new moon on June 15, 2026.
The saints' calendar attaches May 31 to Visitation, Saint Petronilla and Eustathius of Constantinople.
May 31 is World No-Tobacco Day, designated by the United Nations or one of its agencies.
It is not a public holiday in the United States.
On this day in history: Emperor Petronius Maximus is stoned to death by an angry mob while fleeing Rome (455); Mongol invasion of the Cumans: Battle of the Kalka River: Mongol armies of Genghis Khan led by Subutai defeat Kievan Rus' and Cumans (1223). English Wikipedia records 10 events for this date.
Alessandro Allori was born on May 31, 1535; Géza II died on May 31, 1162.
208 days remain until Christmas and 215 until New Year's Day.
In astrology — kept separate from the measured astronomy above, deliberately — May 31 falls under the sign of Gemini.
Calendar
By the numbers
- 41%
- of the year elapsed
- 208
- until Christmas
- 215
- until New Year
- 639
- until the next 29 February
2026 — Common year (365 days)
Work with dates
Sources
Every block on this page names where its data comes from. Nothing here is generated when the source is silent.
- United Nations — International Days— What's celebrated today
- Wikidata (P841)— Saints and name days · CC0 1.0
- Wikipedia (en)— On this day in history · CC BY-SA 4.0 · Data imported on 2026-08-26