Temporal Standards

Parts of a Day

Understanding how time is divided throughout the day, from dawn to dusk and beyond.

Daily Cycle

The standardized divisions of a 24-hour day.

01
Night
Duration
6 hours
Time Range
21:00:00 – 03:00:00
02
Morning
Duration
6 hours
Time Range
03:00:00 – 09:00:00
03
Forenoon
Duration
3 hours
Time Range
09:00:00 – 12:00:00
04
Afternoon
Duration
6 hours
Time Range
12:00:00 – 18:00:00
05
Evening
Duration
3 hours
Time Range
18:00:00 – 21:00:00

Explore Regional Standards

Discover how different regions organize their time and standards.

Browse Regions