1000 military time

1000 = 10:00 AM

1000 is 10 o’clock in the morning. With a colon it is 10:00.

Convert another time

How to read 1000

1000 is a morning time: keep the digits, put back the colon and add AM. 1000 is 10:00 AM.

Hours 10 and 11 read as they are: 10 is 10 o’clock, AM.

1000 falls in the morning: 10 hours after midnight, 41.7% of the way through the day, with 14 hours left until the next midnight.

How to say it

Pilots and air traffic controllers say each digit: “one zero zero zero”. Off the radio, people usually read 1000 as two numbers.

Counting hours to and from 1000

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.

Started at, finishing at 1000
StartLengthDecimal
06004 h4.00
07003 h3.00
08002 h2.00
09001 h1.00
Later than 1000
AddMilitary12-hour
1 h110011:00 AM
2 h120012:00 PM
4 h14002:00 PM
8 h18006:00 PM
10 h20008:00 PM
12 h220010:00 PM

1000Z: the same moment in other time zones

Written 1000Z, the time is in UTC, and the local clock depends on the zone and the season.

ZoneStandard timeSummer time
US Eastern (New York)5:00 AM UTC−56:00 AM UTC−4
US Central (Chicago)4:00 AM UTC−65:00 AM UTC−5
US Mountain (Denver)3:00 AM UTC−74:00 AM UTC−6
US Pacific (Los Angeles)2:00 AM UTC−83:00 AM UTC−7
Alaska (Anchorage)1:00 AM UTC−92:00 AM UTC−8
Hawaii (Honolulu)12:00 AM UTC−10no change
UK (London)10:00 AM UTC+011:00 AM UTC+1
Central Europe (Berlin)11:00 AM UTC+112:00 PM UTC+2
India3:30 PM UTC+5:30no change
Japan and South Korea7:00 PM UTC+9no change
Australia East (Sydney)8:00 PM UTC+109:00 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.

Questions

Is 1000 10am?
Yes. 1000 is 10:00 AM.
What is 1000 hours?
10:00 AM. “1000 hours” and “1000” are the same time; the word only marks the number as a time.
What is 1000Z (Zulu) in US Eastern time?
1000Z is 1000 UTC: 5:00 AM EST in winter and 6:00 AM EDT in summer.

Related