How many days until May 21?
There are 271 days until May 21, 2027, which lands on a Friday. Watch it tick down live, and share the countdown with everyone who should be counting too.
Counting down to May 21
May 21 birthday facts
Born on May 21? That makes you a Gemini — curious, quick-witted and great company. Your birthstone is the emerald, your birth flower is the lily of the valley, and your half-birthday lands on November 21 — worth celebrating too. See everything about being born in May, get the full picture with the birthday personality tool, or work out your exact age with the age calculator.
Famous birthdays on May 21
Anyone celebrating a May 21 birthday is in famous company — these are the best-known people born on this exact date:
- The Notorious B.I.G. (1972) — rapper
- Mr. T (1952) — actor
- Andrei Sakharov (1921) — physicist and Nobel Peace laureate
What makes a May 21 birthday special
May 21 is the 141st day of the year, which means a May 21 birthday arrives with 224 days of the year still to go. It falls on the 1st day of Gemini season — curious, quick-witted and great company. In many folk traditions May babies were considered especially lucky — born when food, light and flowers returned.
What day of the week is May 21?
| Year | May 21 falls on |
|---|---|
| 2026 | Thursday |
| 2027 | Friday |
| 2028 | Sunday |
| 2029 | Monday |
| 2030 | Tuesday |
Quick answers
- How many days until May 21?
- There are 271 days until May 21, 2027. It falls on a Friday.
- What zodiac sign is May 21?
- People born on May 21 are Gemini — typically curious, quick-witted and great company.
- What are the birthstone and birth flower for May 21?
- The May birthstone is Emerald and the birth flower is the Lily of the Valley.
- Which famous people were born on May 21?
- Famous May 21 birthdays include The Notorious B.I.G., Mr. T, Andrei Sakharov.