Time of Day Definitions
- Noon is at 12:00 PM.
- Afternoon is from 12:01 PM to around 5:00 PM.
- Evening is from 5:01 PM to 8 PM, or around sunset.
- Night is from sunset to sunrise, so from 8:01 PM until 5:59 AM.
Late Evening
- Late evening is from 9:00 PM to 11:00 PM.
12 AM and 12 PM
- 12:00 AM is the start of the next day.
- The previous day ended at 11:59:59 PM.
Morning Time
- Morning time is the period between dawn and noon.
Afternoon Related Terms
- Afternoon shift refers to any shift ending after 6 PM and at or before midnight.
- Another word for afternoon is p.m.
Writing Time
- Write 10 AM as lowercase "a.m.".
This subway train will leave daily at 10:05 a.m. After 10:00 p.m. I really need to sleep.