What is 1820 in Military Time?
1820 military time equals
6:20 PM
How to Convert 1820
1820 falls after noon on the 24-hour clock, so the rule is: subtract 12 from the hour and add PM.
18 − 12 = 6 → 6:20 PM (the minutes, 20, stay exactly the same).
Going the other way: 6:20 PM + 12 = 1820. Or skip the math — type 1820 into the military time converter and convert any time instantly on the home page.
Times Around 1820
See the whole day on one page: Military Time Chart or view the full 24-hour chart.
All Times From 1800 to 1859
Every minute of this hour has its own quick answer page:
- 1800 6:00 PM
- 1801 6:01 PM
- 1802 6:02 PM
- 1803 6:03 PM
- 1804 6:04 PM
- 1805 6:05 PM
- 1806 6:06 PM
- 1807 6:07 PM
- 1808 6:08 PM
- 1809 6:09 PM
- 1810 6:10 PM
- 1811 6:11 PM
- 1812 6:12 PM
- 1813 6:13 PM
- 1814 6:14 PM
- 1815 6:15 PM
- 1816 6:16 PM
- 1817 6:17 PM
- 1818 6:18 PM
- 1819 6:19 PM
- 1820 6:20 PM
- 1821 6:21 PM
- 1822 6:22 PM
- 1823 6:23 PM
- 1824 6:24 PM
- 1825 6:25 PM
- 1826 6:26 PM
- 1827 6:27 PM
- 1828 6:28 PM
- 1829 6:29 PM
- 1830 6:30 PM
- 1831 6:31 PM
- 1832 6:32 PM
- 1833 6:33 PM
- 1834 6:34 PM
- 1835 6:35 PM
- 1836 6:36 PM
- 1837 6:37 PM
- 1838 6:38 PM
- 1839 6:39 PM
- 1840 6:40 PM
- 1841 6:41 PM
- 1842 6:42 PM
- 1843 6:43 PM
- 1844 6:44 PM
- 1845 6:45 PM
- 1846 6:46 PM
- 1847 6:47 PM
- 1848 6:48 PM
- 1849 6:49 PM
- 1850 6:50 PM
- 1851 6:51 PM
- 1852 6:52 PM
- 1853 6:53 PM
- 1854 6:54 PM
- 1855 6:55 PM
- 1856 6:56 PM
- 1857 6:57 PM
- 1858 6:58 PM
- 1859 6:59 PM
When You'll See 1820
The evening rush. Second shifts and evening clinics run on times like 1820 (6:20 PM) — you'll see it on dinner-hour flight departures, warehouse second-shift starts, and urgent-care evening schedules.
To say it out loud, read the two pairs: "eighteen twenty." In formal military usage you may also hear "eighteen hundred twenty hours."
Frequently Asked Questions
Is 1820 AM or PM?
PM. Any military time from 1300 to 2359 is afternoon or evening. 1820 = 6:20 PM.
How do you say 1820 in military time?
"Eighteen twenty." Whole hours get the "hundred" treatment (1800 is "eighteen hundred"), but with minutes you read the two pairs.
What is 6:20 PM in military time?
1820. Add 12 to any PM hour: 6 + 12 = 18, so 6:20 PM becomes 1820.
Is 1820 the same as 18:20?
Yes — same time, two writing styles. Schedules in military format drop the colon (1820); European-style 24-hour clocks keep it (18:20). Both mean 6:20 PM.