Learn How to Tell the Time in English
What Time Is It? How to Tell Time in English
Units of Time
- 1 aeon = ~1 billion years (in astronomy)
- 1 millennium = 1000 years
- 1 century = 100 years
- 1 decade = 10 years
- 1 lustrum = 5 years
- 1 year = 12 months ≈ 365 days (366 days in leap years)
- 1 month ≈ 28 to 31 days ≈ 4 weeks
- 1 fortnight = 14 days = 2 weeks
- 1 week = 7 days
- 1 day = 24 hours
- 1 hour = 60 minutes
- 1 minute = 60 seconds
- 1 second = SI base unit of time
- 1 millisecond = 1/1,000 second
- 1 microsecond = 1/1,000,000 second
- 1 nanosecond = 1/1,000,000,000 second
- 1 picosecond = 1/1,000,000,000,000 of a second
- 1 femtosecond = 1/1,000,000,000,000,000 of a second
- 1 attosecond = 1/1,000,000,000,000,000,000 of a second
- 1 Planck time = smallest measurable unit of time
Learn to Talk About the Time of Day
What time is it in your country now?
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