Weeks Until March 21
View the weekly breakdown and decimal weeks until March 21.
CalculateSpring Date Countdown
How Many Days Until March 21?
Target Date: Sunday, March 21, 2027
136
Days Until
Sunday, Sunday, March 21, 2027
19w 3dWeeks + Days
19.43Exact Weeks
SunWeekday
3,264Total Hours
136 days until March 21
Interactive Date Calculator
How many days until…?
136
Days Until
Sunday
Sunday, March 21, 2027
19w 3dWeeks & Days
19Total Weeks
4 monthsApprox. Months
3,264Total Hours
From: November 5, 2026To: Sunday, March 21, 2027
What Day of the Week is March 21? (2024–2035)
Because a normal calendar year has 365 days (52 weeks plus 1 day), March 21 moves forward by one day of the week in common years, and by two days in leap years. Here is the day of the week for March 21 over the next 12 years:
| Year | Day of the Week | Weekend / Weekday | Leap Year? |
|---|---|---|---|
| 2024 | Thursday | Weekday | Yes (366 days) |
| 2025 | Friday | Weekday | No (365 days) |
| 2026 | Saturday | Weekend | No (365 days) |
| 2027Upcoming | Sunday | Weekend | No (365 days) |
| 2028 | Tuesday | Weekday | Yes (366 days) |
| 2029 | Wednesday | Weekday | No (365 days) |
| 2030 | Thursday | Weekday | No (365 days) |
| 2031 | Friday | Weekday | No (365 days) |
| 2032 | Sunday | Weekend | Yes (366 days) |
| 2033 | Monday | Weekday | No (365 days) |
| 2034 | Tuesday | Weekday | No (365 days) |
| 2035 | Wednesday | Weekday | No (365 days) |
Calendar Facts About March 21
Day of the Year
Day 80
22% of the calendar year has passed by this date.
Days Left in Year
285 Days
Remaining until January 1 New Year.
Astrological Sign
♈ Aries
Birthstone for March: Aquamarine.
Annual Calendar Elapsed Progress22% of Year
By March 21, 80 of 365 calendar days have concluded (285 days remaining until January 1).
All March Date Countdowns
March Day-of-Week Table →Frequently Asked Questions
How many days until March 21?
There are 136 calendar days until March 21 (Sunday, March 21, 2027).
What day of the week is March 21, 2027?
In 2027, March 21 falls on a Sunday.
How many weeks until March 21?
There are 19 weeks and 3 days (or approximately 19.43 weeks) until March 21.
What zodiac sign is March 21?
People born on March 21 fall under the astrological sign of Aries (♈). The traditional birthstone for March is Aquamarine.
What day of the year is March 21?
March 21 is Day 80 of the year (22% of the year complete), with 285 days remaining until the new year.
What quarter and season does March 21 fall in?
In the calendar year, March 21 is in Quarter 1 (Q1) and falls in the meteorological season of Spring (🌸). It is notable as the Vernal Equinox (Northern Hemisphere) / Autumnal Equinox (Southern Hemisphere).