Today
Monday May 18 2026
- Day of the year
- 138/ 365
- Week
- 212,026
- Days left
- 22738%
- Moon
- 5%Waxing crescent
Today is Monday, May 18, 2026. It is day 138 of 2026, a year of 365 days: 227 remain, and 38% of the year has gone. Under ISO 8601 this date falls in week 21.
What's celebrated on this date
No United Nations international day falls on this date.
Coming up
- May 20World Bee Day
- May 21World Day for Cultural Diversity for Dialogue and Development
- May 22International Day for Biological Diversity
Saints and name days
Saints whose feast falls on this date, most widely known first.
- John Ipope
- Theodore Ipope
- Eric IX of Sweden12th-century Swedish King and Saint
- Stephen I of ConstantinoplePatriarch of Constantinople
- Felix of CantaliceRoman Catholic saint
Sources : Wikidata (P841) · CC0 1.0
Astronomy
New York
- Sunrise
- 05:36
- Sunset
- 20:09
- Length of day
- 14h 33m+2 min vs yesterday
- Solar noon
- 12:52
Times shown for America/New_York
Season
Spring
began on March 20, 2026
Next season
Summer — 34 days, June 21, 2026 (June solstice)
Public holidays — United States
Not a public holiday in the United States.
Next public holiday : Memorial Day — May 25, 2026
National holidays only. Regions, provinces and Länder add their own.
Moon
Waxing crescent
Illumination : 5%
Moon age : 1.8 days
- Next full moon
- May 31, 2026
- Next new moon
- June 15, 2026
Astrology
Today's zodiac sign
Taurus
until May 21, 2026 — Gemini
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
1152
The future Henry II of England marries Eleanor of Aquitaine. He would become king two years later, after the death of his cousin once removed King Stephen of England. Wikipedia
1291
Fall of Acre, the end of Crusader presence in the Holy Land. Wikipedia
1302
Bruges Matins, the nocturnal massacre of the French garrison in Bruges by members of the local Flemish militia. Wikipedia
1804
Napoleon Bonaparte is proclaimed Emperor of the French by the French Senate. Wikipedia
1863
American Civil War: Union forces under Ulysses S. Grant begin the Siege of Vicksburg during the Vicksburg campaign in order to take full control of the Mississippi River. Wikipedia
1944
World War II: Battle of Monte Cassino: Conclusion after seven days of the fourth battle as German paratroopers evacuate Monte Cassino. Wikipedia
Show more (4)
1974
Nuclear weapons testing: Under project Smiling Buddha, India successfully detonates its first nuclear weapon becoming the sixth nation to do so. Wikipedia
1980
Mount St. Helens erupts in Washington, United States, killing 57 people and causing $3 billion in damage. Wikipedia
1991
Northern Somalia declares independence from the rest of Somalia as the Republic of Somaliland. Wikipedia
2018
Cubana de Aviación Flight 972 crashes in Santiago de las Vegas after takeoff from José Martí International Airport in Havana, Cuba, killing 112 of the 113 people on board. Wikipedia
Sources : Wikipedia (en) · CC BY-SA 4.0 · Data imported on 2026-08-26
Births and deaths
Born on this day May 18
- 1711Roger Joseph Boscovich, Ragusan physicist, astronomer, and mathematician (died 1787)
- 1797Frederick Augustus II of Saxony (died 1854)
- 1872Bertrand Russell, British mathematician, historian, and philosopher, Nobel Prize laureate (died 1970)
- 1876Hermann Müller, German journalist and politician, 12th Chancellor of Germany (died 1931)
- 1883Walter Gropius, German-American architect, designed the John F. Kennedy Federal Building (died 1969)
- 1901Vincent du Vigneaud, American biochemist and academic, Nobel Prize laureate (died 1978)
- 1933Bernadette Chirac, French politician, First Lady of France (died 2026)
- 1937Jacques Santer, Luxembourger jurist and politician, 22nd Prime Minister of Luxembourgturns 89 years
Died on this day May 18
- 1551Domenico di Pace Beccafumi, Italian painter (born 1486)aged 65 years
- 1675Jacques Marquette, French-American missionary and explorer (born 1637)aged 38 years
- 1799Pierre Beaumarchais, French playwright and publisher (born 1732)aged 67 years
- 1800Alexander Suvorov, Russian general (born 1729)aged 70 years
- 1909Isaac Albéniz, Spanish pianist and composer (born 1860)aged 49 years
- 1909George Meredith, English novelist and poet (born 1828)aged 81 years
- 1911Gustav Mahler, Austrian composer and conductor (born 1860)aged 51 years
- 1922Charles Louis Alphonse Laveran, French physician and parasitologist, Nobel Prize laureate (born 1845)aged 77 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 05:36 and sets at 20:09, giving 14h 33m of daylight — 2 minutes more than yesterday. It has been spring since March 20, 2026; summer opens in 34 days, on June 21, 2026 (June solstice).
The moon is a waxing crescent, 5% illuminated. The next full moon falls on May 31, 2026 and the next new moon on June 15, 2026.
The saints' calendar attaches May 18 to John I, Theodore I and Eric IX of Sweden.
No United Nations international day falls on May 18. The next one on the calendar is World Bee Day, on May 20.
It is not a public holiday in the United States.
On this day in history: The future Henry II of England marries Eleanor of Aquitaine (1152); Fall of Acre, the end of Crusader presence in the Holy Land (1291). English Wikipedia records 10 events for this date.
Roger Joseph Boscovich was born on May 18, 1711; Domenico di Pace Beccafumi died on May 18, 1551.
221 days remain until Christmas and 228 until New Year's Day.
In astrology — kept separate from the measured astronomy above, deliberately — May 18 falls under the sign of Taurus.
Calendar
By the numbers
- 38%
- of the year elapsed
- 221
- until Christmas
- 228
- until New Year
- 652
- 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