Countdown
How many days until March 15?
139
days until March 15
The next March 15 is Monday, March 15, 2027
The short answer
March 15 is 139 days away — that's 19 weeks and 6 days, roughly 4.6 months, or 3,336 hours. The next March 15 falls on a Monday (Monday, March 15, 2027). The number above updates automatically at midnight in your time zone.
March 15, 2027 at a glance
| Day of the week | Monday |
|---|---|
| Day of the year | Day 74 of 365 |
| Share of the year passed | 20% |
| Days left in 2027 after it | 291 |
| Quarter | Q1 |
| Season (Northern Hemisphere) | Winter |
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 139 days until March 15, broken down
99
business days
40
weekend days
19
full weeks
6
extra days
That's 99 working days (Monday to Friday) and 40 weekend days — 20 Saturdays and 20 Sundays. Public holidays vary by country, so they aren't deducted.
On March 15 in history
- 1917Tsar Nicholas II abdicates, ending Romanov rule in Russia
- 1944Roman assassins kill Julius Caesar on the Ides of March
- 1965President Johnson calls for voting rights legislation after Selma
- 1985The first internet domain name, symbolics.com, is registered
Notable world events that happened on March 15 in earlier years.
Days around March 15
134
until March 10
135
until March 11
136
until March 12
137
until March 13
138
until March 14
140
until March 16
141
until March 17
142
until March 18
143
until March 19
144
until March 20
The 15th of other months
80
until January 15
111
until February 15
170
until April 15
200
until May 15
231
until June 15
261
until July 15
292
until August 15
323
until September 15
353
until October 15
19
until November 15
49
until December 15
Holidays near March 15
See every March countdown → · Count days between any two dates →