9 Months Before December 15
9 months before December 15
March 15
Day of week
Sundayin 2026
Day of year
#74
Season
Spring
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Holidays & observances around March 15
1 day before
Pi Day
Celebrated on 3/14 for the mathematical constant π (3.14...).
2 days after
St. Patrick's Day
Irish cultural and religious holiday celebrated worldwide.
5 days after
Spring Equinox (around March 20)
The astronomical first day of spring in the Northern Hemisphere.
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Everything about March 15
Zodiac sign, famous births, historical events and more
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