Across
- 3. the base unit of time in the International System of Units (SI); it is defined as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium-133 atom.
- 5. a device for measuring elapsed time, typically used for timing athletic events.
- 8. abbreviation for "post meridiem" (after noon), used to indicate the time of day.
- 10. the amount of time that has passed between two events or points in time.
- 12. a geographic region with a standard time that is used for legal, commercial, and social purposes.
- 13. a unit of time equal to 24 hours.
- 14. a unit of time equal to 60 minutes, or 3,600 seconds.
- 15. a clock that displays the time using digits or numbers.
Down
- 1. a unit of time equal to 60 seconds.
- 2. a clock that displays the time using the position of hands on a dial.
- 4. a system for organizing time into days, weeks, months, and years.
- 6. a unit of time equal to seven days.
- 7. a unit of time equal to the time it takes for the Earth to complete one orbit around the sun, approximately 365.24 days.
- 9. a unit of time, usually corresponding to a lunar month or a calendar month, of varying lengths depending on the calendar system used.
- 11. abbreviation for "ante meridiem" (before noon), used to indicate the time of day
- 16. a device for measuring and displaying time.
