• Time Zone: GMT-05:00
• Time Zone ID: America/New_York
• Day numbers: 141
• Week number: 21
• Leap year: 2025 is not a leap year
• Daylight Saving Time: Yes
Sunrise, Sunset Times for May 21st 2025
• Sunrise time: 06:13 am
• Sunset time: 08:46 pm
• Day length: 14h 32m
• Source: suntoday.org
Moon Phase for May 21st 2025
• Moon Phase: Waning Crescent
• Illumination: 34%
• Moon Age: 23.67 day(s)
• Source: mooninfo.org
Holidays and National Days for May 21st 2025
May 21 in History
1506
Christopher Columbus dies.
1536
The Reformation is officially adopted in Geneva, Switzerland.
1620
Present-day Martha’s Vineyard is first sighted by Captain Bartholomew Gosnold.
1790
Paris is divided into 48 zones.
→ See more: May 21 in History
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