How Long Until 1 PM?
Asking how long until 1 PM? The timer below shows how many hours until 1 PM today, to the second, on your device clock. When 1 PM goes by, it jumps to tomorrow.
Counting to the next 1:00 PM on your device clock.
Formula to Calculate Time Until 1 PM
37:00 is 13:00 plus a full day. It gives the time left until 1 PM once the afternoon has passed.
Formula Example
At 11:40 PM (23:40): 37:00 − 23:40 = 13 hours 20 minutes. At 12:10 PM: 13:00 − 12:10 = 50 minutes.
Quick Check
Add the answer back. 23:40 + 13:20 = 37:00, which is 13:00 the next day.
1 PM at a Glance
1 PM falls just past the middle of the day. These are its numbers in common formats.
Hours, Minutes and Seconds Until 1 PM
Match your current time to see how many hours, minutes and seconds until 1 PM. It works in every US time zone.
| Current time | Hours | Minutes | Seconds |
|---|---|---|---|
| 1:00 AM | 12 | 720 | 43,200 |
| 6:00 AM | 7 | 420 | 25,200 |
| 9:00 AM | 4 | 240 | 14,400 |
| 11:00 AM | 2 | 120 | 7,200 |
| 12:00 PM | 1 | 60 | 3,600 |
| 2:00 PM | 23 | 1,380 | 82,800 |
| 6:00 PM | 19 | 1,140 | 68,400 |
| 11:00 PM | 14 | 840 | 50,400 |
For how many minutes until 1 PM, multiply the hours by 60 and add the rest.
How Many Seconds Until 1 PM?
Count 3,600 seconds per hour and 60 per minute. At 12:30 PM, 30 minutes left equals 1,800 seconds.
Must visit these related blogs for the hours around it:
How Long Until 1 PM Tomorrow?
The date flips at midnight. Until then, 1 PM means the next afternoon. These cases come up most.
| Start | Until | Gap |
|---|---|---|
| Tonight, 9 PM | Tomorrow, 1 PM | 16 hours |
| Sunday, 10 PM | Monday, 1 PM | 15 hours |
| Today, 5 PM | Tomorrow, 1 PM | 20 hours |
| Today, 1 PM | Tomorrow, 1 PM | 24 hours |
How Long Since 1 PM?
To count time since 1 PM, subtract the other way: current time − 13:00. The result is the time elapsed.
- At 3:00 PM2 hours since 1 PM
- At 5:30 PM4 hours 30 minutes
- At 11:00 PM10 hours
How Long Until 1:12 or 1:30 PM?
Add the extra minutes to your 1 PM countdown. These targets are searched most.
- 1:05 PM+ 5 minutes
- 1:12 PM+ 12 minutes
- 1:15 PM+ 15 minutes
- 1:30 PM+ 30 minutes
Also check the nearest half-hour countdowns:
1 PM vs 1 AM
The clock shows 1 for both, so they get mixed up. They sit 12 hours apart. The 24-hour clock writes them as 13:00 and 01:00.
| Detail | 1 PM | 1 AM |
|---|---|---|
| 24-hour clock | 13:00 | 01:00 |
| Minutes after midnight | 780 | 60 |
| Time of day | Afternoon | Early morning |
| Comes after | Noon | Midnight |
Is 1 PM Morning or Afternoon?
It is afternoon. It is the first hour after noon.
1 PM in US Time Zones
One moment, six clocks. This chart uses standard time.
| Zone | Local time when it is 1:00 PM ET |
|---|---|
| Eastern (ET) | 1:00 PM |
| Central (CT) | 12:00 PM |
| Mountain (MT) | 11:00 AM |
| Pacific (PT) | 10:00 AM |
| Alaska (AKT) | 9:00 AM |
| Hawaii (HST) | 8:00 AM |
Reverse it: 1 PM in Los Angeles is 4 PM in New York.
1 PM and Daylight Saving Time
US clocks change at 2 AM, so the shift lands before 1 PM.
Spring Forward
The night loses an hour, so midnight to 1 PM lasts 12 real hours. The next start is March 14, 2027.
Fall Back
The night gains an hour, so midnight to 1 PM lasts 14 real hours.
Does the Timer Adjust?
Yes. It follows your real clock, so it stays right on both change days.
Why People Count Down to 1 PM
1 PM often marks the end of a lunch break. It is also a common time for afternoon meetings and appointments. Others watch it for a deadline or a check-out.
The timer counts but does not ring. Add an alarm if you want a sound.
FAQs
How long is 12 am to 1 pm?
It is 13 hours.
How long is it until 1 am?
Subtract the current time from 25:00 before midnight, or from 01:00 after it; from 1 PM it is 12 hours.
How long since 1:00pm?
Subtract 13:00 from the current time; at 5:30 PM it has been 4 hours 30 minutes.
How long until 1:12 pm?
Add 12 minutes to your 1 PM countdown.
What time is 00:00?
It is midnight, also written as 12:00 AM.
Is there a 12:59 am?
Yes, it is the last minute of the 12 AM hour, one minute before 1:00 AM.
How many minutes until 1 PM?
Multiply the full hours left by 60, then add the extra minutes.
What is 1 PM in military time?
It is 1300, the same as 13:00 on the 24-hour clock.
What happens when 1 PM has already passed?
The timer moves on to 1 PM the next day.
Amanda Davis is a time management enthusiast dedicated to creating simple, accurate countdown tools that help people track important moments, events, and milestones.
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