0630 military time
0630 = 6:30 AM
0630 is half past 6 in the morning. With a colon it is 06:30.
Convert another time
How to read 0630
0630 is a morning time: keep the digits, drop the leading zero, put back the colon and add AM. 0630 is 6:30 AM.
Hours 01 to 09 read as the second digit: 06 is 6 o’clock, AM.
0630 falls in the morning: 6 hours and 30 minutes after midnight, 27.1% of the way through the day, with 17 hours and 30 minutes left until the next midnight.
How to say it
Pilots and air traffic controllers say each digit: “zero six three zero”. Off the radio, people usually read 0630 as two numbers.
Counting hours to and from 0630
Start and end times on a timesheet come down to this subtraction. The decimal column is the form many payroll systems want; the minutes to decimal chart covers every minute.
| Start | Length | Decimal |
|---|---|---|
| 0600 | 0 h 30 min | 0.50 |
| 0700 (day before) | 23 h 30 min | 23.50 |
| 0800 (day before) | 22 h 30 min | 22.50 |
| 0900 (day before) | 21 h 30 min | 21.50 |
| Add | Military | 12-hour |
|---|---|---|
| 1 h | 0730 | 7:30 AM |
| 2 h | 0830 | 8:30 AM |
| 4 h | 1030 | 10:30 AM |
| 8 h | 1430 | 2:30 PM |
| 10 h | 1630 | 4:30 PM |
| 12 h | 1830 | 6:30 PM |
0630Z: the same moment in other time zones
Written 0630Z, the time is in UTC, and the local clock depends on the zone and the season.
| Zone | Standard time | Summer time |
|---|---|---|
| US Eastern (New York) | 1:30 AM UTC−5 | 2:30 AM UTC−4 |
| US Central (Chicago) | 12:30 AM UTC−6 | 1:30 AM UTC−5 |
| US Mountain (Denver) | 11:30 PM (previous day) UTC−7 | 12:30 AM UTC−6 |
| US Pacific (Los Angeles) | 10:30 PM (previous day) UTC−8 | 11:30 PM (previous day) UTC−7 |
| Alaska (Anchorage) | 9:30 PM (previous day) UTC−9 | 10:30 PM (previous day) UTC−8 |
| Hawaii (Honolulu) | 8:30 PM (previous day) UTC−10 | no change |
| UK (London) | 6:30 AM UTC+0 | 7:30 AM UTC+1 |
| Central Europe (Berlin) | 7:30 AM UTC+1 | 8:30 AM UTC+2 |
| India | 12:00 PM UTC+5:30 | no change |
| Japan and South Korea | 3:30 PM UTC+9 | no change |
| Australia East (Sydney) | 4:30 PM UTC+10 | 5:30 PM UTC+11 |
For a particular date and city, use the time zone converter, which applies the exact daylight saving dates.
Nearby military times
The full chart is on the military time page.