December 21, 2026

This page shows all events for Monday, the 21st of December, 2026. The day is the 355th day in 2026 and in the 52nd calendar week.

General events on December 21, 2026

• Dongzhi Festival
• Forefather's Day
• Humbug Day
• Look on the Bright Side Day
• National Flashlight Day
• Yalda

Natural events on December 21, 2026

• Winter Solstice