12/24 hour conversion

12/24 hour conversion Introduction

1. 12-hour system: a day is divided into two 12-hour periods, from midnight to noon (am time), from noon to midnight (pm time).

(1) am: before noon

(2) pm: after noon

2. 24-hour system: refers to the time from one midnight to the next midnight. it is 24 hours from midnight to 23 o'clock. time is expressed in hours and minutes starting from midnight.

3. the above tools can convert the 12-hour time to the 24-hour time, or convert the 24-hour time to the 12-hour time.