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Clock and hours · rules read October 11, 2026

Military time chart

Look up any hour of the 24-hour clock, any quarter hour, and the decimal value of the minutes on a punch.

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Military time

1345

1:45 PM · 13:45

12-hour clock1:45 PM
24-hour clock13:45
Spoken13 45 hours
Decimal hour of the day13.75

Without AM or PM, a time is read on the 24-hour clock: 0730 is morning, 1930 is evening. Midnight is 0000 at the start of a day. How this is calculated.

Military time numbers the hours of the day from 0000 to 2359, so the chart has two halves. In the morning half, 0100 to 1159, the military hour and the standard hour match once you drop the leading zero: 0100 is 1:00 AM, 0900 is 9:00 AM, 1100 is 11:00 AM. In the afternoon half the military hour runs 12 ahead: 1300 is 1:00 PM, 1700 is 5:00 PM, 2300 is 11:00 PM. Noon is 1200 and midnight is 0000, which is the one row people most often get wrong, because 12:00 AM looks like it belongs after 11:00 AM. The minutes never change between the two clocks: 1745 and 5:45 PM share the same 45. For payroll those minutes are converted to a fraction of an hour by dividing by 60, so a quarter hour is 0.25, half an hour 0.50 and 45 minutes 0.75. The three charts below cover the hours, the quarter hours and the minute decimals, generated by the same code as the converter so they cannot disagree with it.

Minutes to decimal hours

Decimal hours

7.67

Minutes ÷ 600.6667
Total minutes460
Convert a full week →

Every hour of the day

The first chart lists the 24 starting hours with their standard form and, for reference, the colon style used by phones and computers set to 24-hour display. Read across a row to convert in either direction. The labels on the right are only there to help orient a time quickly; in a schedule built around three 8-hour shifts, for example, the changes usually fall at 0700, 1500 and 2300, which sit in three different sections.

Military time chart: the 24 hours of the day
Military24-hour display12-hour clockSection
000000:0012:00 AMOvernight
010001:001:00 AMOvernight
020002:002:00 AMOvernight
030003:003:00 AMOvernight
040004:004:00 AMOvernight
050005:005:00 AMOvernight
060006:006:00 AMMorning
070007:007:00 AMMorning
080008:008:00 AMMorning
090009:009:00 AMMorning
100010:0010:00 AMMorning
110011:0011:00 AMMorning
120012:0012:00 PMAfternoon
130013:001:00 PMAfternoon
140014:002:00 PMAfternoon
150015:003:00 PMAfternoon
160016:004:00 PMAfternoon
170017:005:00 PMAfternoon
180018:006:00 PMEvening
190019:007:00 PMEvening
200020:008:00 PMEvening
210021:009:00 PMEvening
220022:0010:00 PMEvening
230023:0011:00 PMEvening

Two rows deserve a second look. The 00 row is 12 AM, the hour that begins the day, and the 12 row is 12 PM, the hour that begins the afternoon. On the 12-hour clock both are written with 12, which is the whole reason the military clock exists: it gives each hour of the day a number used once.

A quick way to memorize the afternoon half is to remember a few anchors and count from them. 1500 is 3 PM, the end of a typical day shift; 1800 is 6 PM, dinner time; 2100 is 9 PM. Every other afternoon hour sits one step away from one of those. In the morning half nothing needs memorizing, since 0800 is simply 8 AM. People who read schedules every day, such as nurses, flight crews or warehouse leads, stop converting after a few weeks and read 1630 directly as late afternoon, the way they would read a temperature. Until then, print the chart or keep this page open next to the rotation, and check any time before 0100 twice, because that is where the 12 AM confusion lives.

Quarter hours at a glance

Schedules and time clocks often work in quarter hours, so the second chart lays out each hour with its :00, :15, :30 and :45 marks in military form, followed by the standard time. It is useful for reading a posted rotation or a printed time card quickly. Federal rules let an employer round punches to the nearest quarter hour if the practice averages out over time (29 CFR 785.48), which is why so many cards show these four values.

Quarter-hour military time chart
Hour:00:15:30:45
000000 = 12:00 AM0015 = 12:15 AM0030 = 12:30 AM0045 = 12:45 AM
010100 = 1:00 AM0115 = 1:15 AM0130 = 1:30 AM0145 = 1:45 AM
020200 = 2:00 AM0215 = 2:15 AM0230 = 2:30 AM0245 = 2:45 AM
030300 = 3:00 AM0315 = 3:15 AM0330 = 3:30 AM0345 = 3:45 AM
040400 = 4:00 AM0415 = 4:15 AM0430 = 4:30 AM0445 = 4:45 AM
050500 = 5:00 AM0515 = 5:15 AM0530 = 5:30 AM0545 = 5:45 AM
060600 = 6:00 AM0615 = 6:15 AM0630 = 6:30 AM0645 = 6:45 AM
070700 = 7:00 AM0715 = 7:15 AM0730 = 7:30 AM0745 = 7:45 AM
080800 = 8:00 AM0815 = 8:15 AM0830 = 8:30 AM0845 = 8:45 AM
090900 = 9:00 AM0915 = 9:15 AM0930 = 9:30 AM0945 = 9:45 AM
101000 = 10:00 AM1015 = 10:15 AM1030 = 10:30 AM1045 = 10:45 AM
111100 = 11:00 AM1115 = 11:15 AM1130 = 11:30 AM1145 = 11:45 AM
121200 = 12:00 PM1215 = 12:15 PM1230 = 12:30 PM1245 = 12:45 PM
131300 = 1:00 PM1315 = 1:15 PM1330 = 1:30 PM1345 = 1:45 PM
141400 = 2:00 PM1415 = 2:15 PM1430 = 2:30 PM1445 = 2:45 PM
151500 = 3:00 PM1515 = 3:15 PM1530 = 3:30 PM1545 = 3:45 PM
161600 = 4:00 PM1615 = 4:15 PM1630 = 4:30 PM1645 = 4:45 PM
171700 = 5:00 PM1715 = 5:15 PM1730 = 5:30 PM1745 = 5:45 PM
181800 = 6:00 PM1815 = 6:15 PM1830 = 6:30 PM1845 = 6:45 PM
191900 = 7:00 PM1915 = 7:15 PM1930 = 7:30 PM1945 = 7:45 PM
202000 = 8:00 PM2015 = 8:15 PM2030 = 8:30 PM2045 = 8:45 PM
212100 = 9:00 PM2115 = 9:15 PM2130 = 9:30 PM2145 = 9:45 PM
222200 = 10:00 PM2215 = 10:15 PM2230 = 10:30 PM2245 = 10:45 PM
232300 = 11:00 PM2315 = 11:15 PM2330 = 11:30 PM2345 = 11:45 PM

Minutes in decimals for military punches

A time card in military format still has to be paid in decimal hours. The hours part of a punch is already a number; the minutes part is a fraction of 60. The third chart converts the common minute values. A worker who punches in at 0652 and out at 1521, with a 30-minute unpaid lunch, has worked 7:59, which payroll writes as 7.98 hours. Writing it as 7.59 by mistake, reading the minutes as a decimal, would underpay the shift.

Minutes to decimal hours (minutes divided by 60, rounded to two places)
MinutesDecimal hoursFraction of an hour
50.08
100.17one sixth
150.25one quarter
200.33one third
250.42
300.50one half
350.58
400.67two thirds
450.75three quarters
500.83five sixths
550.92

For a value that is not on the chart, the minutes to decimal converter handles any number, and the military time converter explains the rules behind the first two charts, including how to say each time aloud. Whole weeks of military punches can go straight into the timesheet calculator, which accepts 1752 as readily as 5:52 PM and applies the meal deductions allowed by 29 CFR 785.19. Short rests stay on the card under 785.18.

Questions workers and payroll clerks ask

What time is 1900 on the 12-hour clock?

7:00 PM. Any military hour from 13 to 23 is a PM hour, found by subtracting 12, so 19 becomes 7. The two zeros after it are the minutes. 1900 is a common start for night shifts in hospitals and factories, paired with 0700 the next morning for a 12-hour rotation, and it appears on the chart above in the evening section.

Why is there no 2400 row on a military time chart?

Because the chart lists the start of each hour, and the day's last hour starts at 2300. Midnight appears once, as 0000, the first minute of a new day. Some schedules still write 2400 to mark the end of a day, as in a shift from 1600 to 2400, but a clock never displays it: one minute past 2359 it rolls over to 0000.

How do I turn the minutes of a military time into decimal hours?

Divide the last two digits by 60. A punch at 1521 has 21 minutes, which is 0.35 of an hour, so in decimal form the time is 15.35. Payroll systems total shifts this way before multiplying by the hourly rate. The minute chart on this page lists the common values in steps of five, from 0.08 for 5 minutes up to 0.92 for 55.

Is 1230 in the afternoon or just after midnight?

In the afternoon: 1230 is 12:30 PM, half an hour after noon. The half hour after midnight is written 0030, which is 12:30 AM. That pair is the classic source of mistakes on handwritten logs, which is why the chart shows the 00 and 12 rows next to each other in the quarter-hour grid and why four digits with a leading zero are always used.

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