Countdown
How many days until March 21?
145
days until March 21
The next March 21 is Sunday, March 21, 2027
The short answer
March 21 is 145 days away — that's 20 weeks and 5 days, roughly 4.8 months, or 3,480 hours. The next March 21 falls on a Sunday (Sunday, March 21, 2027). The number above updates automatically at midnight in your time zone.
March 21, 2027 at a glance
| Day of the week | Sunday |
|---|---|
| Day of the year | Day 80 of 365 |
| Share of the year passed | 22% |
| Days left in 2027 after it | 285 |
| Quarter | Q1 |
| Season (Northern Hemisphere) | Spring |
What's happening in March
March brings the spring equinox around the 20th, St. Patrick's Day on the 17th, and the start of daylight saving time in the US.
Other dates to know in March 2027: St. Patrick's Day (March 17), Spring (March 20), Easter (March 28).
The 145 days until March 21, broken down
104
business days
41
weekend days
20
full weeks
5
extra days
That's 104 working days (Monday to Friday) and 41 weekend days — 21 Saturdays and 20 Sundays. Public holidays vary by country, so they aren't deducted.
On March 21 in history
- 1871Otto von Bismarck becomes the first chancellor of the German Empire
- 1935Persia is officially renamed Iran on the international stage
- 1960Police kill protesters in the Sharpeville massacre in South Africa
- 1963Alcatraz federal prison closes and transfers its last inmates
Notable world events that happened on March 21 in earlier years.
Days around March 21
140
until March 16
141
until March 17
142
until March 18
143
until March 19
144
until March 20
146
until March 22
147
until March 23
148
until March 24
149
until March 25
150
until March 26
The 21st of other months
86
until January 21
117
until February 21
176
until April 21
206
until May 21
237
until June 21
267
until July 21
298
until August 21
329
until September 21
359
until October 21
25
until November 21
55
until December 21
Holidays near March 21
See every March countdown → · Count days between any two dates →