9 Months After March 31
9 months after March 31
December 31
Day of week
Thursdayin 2026
Day of year
#365
Season
Winter
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Holidays & observances around December 31
cultural
New Year's Eve
The last day of the calendar year, celebrated with countdowns and fireworks worldwide.
5 days before
Boxing Day (UK, Canada, Australia)
A day of giving and sales, public holiday in several countries.
1 day after
New Year's Day
The first day of the calendar year, celebrated worldwide.
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Everything about December 31
Zodiac sign, famous births, historical events and more
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