Calendar
Yearly calendar with all months at a glance - holidays and moon phases
January
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February
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March
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April
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May
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June
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July
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August
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September
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October
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November
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December
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2025 Holidays at a Glance
Common year - 365 days
US federal holidays
- Jan 1: New Year's Day
- Jan 20: Martin Luther King Jr. Day
- Feb 17: Presidents' Day
- May 26: Memorial Day
- Jul 4: Independence Day
- Sep 1: Labor Day
- Oct 13: Columbus Day
- Nov 11: Veterans Day
- Nov 27: Thanksgiving
- Dec 25: Christmas Day
🎉 Fun Facts
- •📅 Friday the 13th Frequency: Every calendar year has at least one Friday the 13th, and at most three - the longest possible gap between Friday the 13ths is 14 months (426 days), and any month starting on a Sunday will have a Friday the 13th.
- •🗓️ The Calendar Repeat Cycle: There are only 14 possible calendar configurations (7 for common years starting on each day of the week, 7 for leap years) - meaning every year is identical to some past year, and 2026's calendar is exactly the same as 1999, 2010, and will repeat in 2037.
- •⏰ The Lost 11 Days: When Britain switched from the Julian to Gregorian calendar in September 1752, they skipped 11 days - going directly from September 2 to September 14 - causing riots from people who believed their lives were being "shortened."
- •🌍 New Year's Not Universal: While most of the world celebrates January 1, the Chinese New Year (Jan 21-Feb 20), Islamic New Year (moves 11 days earlier each year), Jewish New Year (Rosh Hashanah, Sept/Oct), and Ethiopian New Year (Sept 11) all fall on completely different dates.
- •📊 October/December Name Paradox: October means "8th month" and December means "10th month" in Latin, but they're the 10th and 12th months - this happened because the Roman calendar originally started in March, making October the 8th and December the 10th until January and February were added later.
Leap Years & February
- •🦘 Leap Year Olympics: Summer Olympics only happen in leap years (2024, 2028, 2032) - this wasn't planned but became the pattern after the modern Olympics started in 1896.
- •👶 Leap Day Birthday Odds: Being born on February 29 affects about 1 in 1,461 people (0.068%) - "leaplings" or "leapers" legally celebrate on Feb 28 or Mar 1 in common years, depending on jurisdiction.
- •🎉 Leap Day Traditions: In Ireland, tradition says women can propose to men on February 29 - if the man refuses, he must buy her 12 pairs of gloves (to hide the embarrassment of not having an engagement ring).
- •📊 The 400-Year Exception: Years divisible by 100 are NOT leap years (1900, 2100), UNLESS divisible by 400 (2000 WAS a leap year) - this means the Gregorian calendar repeats exactly every 400 years (146,097 days).
- •❌ February 30 Existed: Sweden had a February 30 in 1712 - they were slowly transitioning from Julian to Gregorian calendars by skipping leap days, then gave up and added Feb 29 AND Feb 30 to get back in sync.
- •📅 February Name Origin: February comes from Latin "februa" meaning "purification" - it was the last month of the Roman year and the time for purification rituals before the new year in March.