What time was it 12 hours ago?
12 hours ago it was
Counted in your browser from your clock.
12 hours before every hour of the day
| If it's | 12 hours ago | In 12 hours |
|---|---|---|
| 12:00 AM | 12:00 PM, yesterday | 12:00 PM |
| 1:00 AM | 1:00 PM, yesterday | 1:00 PM |
| 2:00 AM | 2:00 PM, yesterday | 2:00 PM |
| 3:00 AM | 3:00 PM, yesterday | 3:00 PM |
| 4:00 AM | 4:00 PM, yesterday | 4:00 PM |
| 5:00 AM | 5:00 PM, yesterday | 5:00 PM |
| 6:00 AM | 6:00 PM, yesterday | 6:00 PM |
| 7:00 AM | 7:00 PM, yesterday | 7:00 PM |
| 8:00 AM | 8:00 PM, yesterday | 8:00 PM |
| 9:00 AM | 9:00 PM, yesterday | 9:00 PM |
| 10:00 AM | 10:00 PM, yesterday | 10:00 PM |
| 11:00 AM | 11:00 PM, yesterday | 11:00 PM |
| 12:00 PM | 12:00 AM | 12:00 AM, tomorrow |
| 1:00 PM | 1:00 AM | 1:00 AM, tomorrow |
| 2:00 PM | 2:00 AM | 2:00 AM, tomorrow |
| 3:00 PM | 3:00 AM | 3:00 AM, tomorrow |
| 4:00 PM | 4:00 AM | 4:00 AM, tomorrow |
| 5:00 PM | 5:00 AM | 5:00 AM, tomorrow |
| 6:00 PM | 6:00 AM | 6:00 AM, tomorrow |
| 7:00 PM | 7:00 AM | 7:00 AM, tomorrow |
| 8:00 PM | 8:00 AM | 8:00 AM, tomorrow |
| 9:00 PM | 9:00 AM | 9:00 AM, tomorrow |
| 10:00 PM | 10:00 AM | 10:00 AM, tomorrow |
| 11:00 PM | 11:00 AM | 11:00 AM, tomorrow |
12 hours ago on a clock-change night
| Night | Now | −12 hours | Clock moved |
|---|---|---|---|
| Fall back, November 1, 2026 | 6:00 AM EST | 7:00 PM EDT, yesterday | 11 h (1 h less) |
| Spring forward, March 14, 2027 | 6:00 AM EDT | 5:00 PM EST, yesterday | 13 h (1 h more) |
12 hours in other units
| Unit | 12 hours |
|---|---|
| Minutes | 720 |
| Seconds | 43,200 |
| Days | 0.50 |
| 8-hour workdays | 1.50 |
| Weeks | 0.071 |
Other counts: 10 hours ago · 13 hours ago · 24 hours ago · 12 hours from now · any number of hours ·days from today.
Frequently asked questions
What time was it 12 hours ago?
Subtract 12 h from the time now. If it is 9:00 AM now, 12 hours ago was 9:00 PM yesterday. The answer at the top of this page uses your own clock.
Was 12 hours ago yesterday?
Only before 12:00 PM. From midnight to 11:59 AM, 12 hours ago falls on the previous day; from 12:00 PM on, it is earlier today.
Does daylight saving time change 12 hours ago?
In New York at 6:00 AM EST on November 1, 2026, 12 hours ago was 7:00 PM EDT yesterday: the clocks fell back at 2:00 AM, so the hands moved back 11 h for 12 hours of real time.
How many minutes is 12 hours?
12 hours is 720 minutes, 43,200 seconds, or 0.50 days.
What time will it be in 12 hours?
Add 12 h instead. If it is 9:00 AM now, 12 hours from now is 9:00 PM.