12pm Utc To Est

Currently has same time zone offset as EDT (UTC -4) but different time zone name. Eastern Daylight Time (EDT) is 4 hours behind Coordinated Universal Time (UTC). This time zone is a Daylight Saving Time time zone and is used in: North America, Caribbean. The American Heritage Dictionary of the English Language states 'By convention, 12 AM denotes midnight and 12 PM denotes noon. Because of the potential for confusion, it is advisable to use 12 noon and 12 midnight.' Richards in his book Mapping Time provided a diagram in which 12 a.m. Means noon and 12 p.m.

UTC Time NowNoon UTC11:59am UTC12:01pm UTC11:45am UTC12:15pm UTC

12:00 PM UTC is in your local time

UTC
My Time
  • Time difference between your local time and UTC is: hour(s) ( minutes).
ClockTimeSpoken
12-hour
clock
12:00 PMnoon, twelve o'clock pm
24-hour
clock
12:00noon, twelve o'clock
Military1200Zone-two-zero-zero hours, twelve hundred hours
AM or A.M. - latin ante meridiemUtc time zone to est11 00 utc to est, meaning before midday, PM or P.M. - latin post meridiem, meaning after midday. Letter 'Z' in military time indicates ZULU Time Zone which is equivalent to UTC.
UTC time to My Time Conversion Table
UTC Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
My Time

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Normally time is shown as Hours:Minutes

There are 24 Hours in a Day and 60 Minutes in each Hour.

Showing the Time

There are two main ways to show the time: '24 Hour Clock' or 'AM/PM':

24 Hour Clock: the time is shown as how many hours and minutes since midnight.
AM/PM (or '12 Hour Clock'): the day is split into:
  • the 12 Hours running from Midnight to Noon (the AM hours), and
  • the other 12 Hours running from Noon to Midnight (the PM hours).

Like this (try the slider):

PM

Post Meridiem*
Latin for 'after midday'

Midnight to Noon

24 Hour Clock:
12:00 to 23:59

*Is that spelled 'Meridiem' or 'Meridian'? See here.

Converting AM/PM to 24 Hour Clock

Add 12 to any hour after Noon (and subtract 12 for the first hour of the day):

For the first hour of the day (12 Midnight to 12:59 AM), subtract 12 Hours

From 1:00 AM to 12:59 PM, no change

Examples: 11:20 AM = 11:20, 12:30 PM = 12:30

From 1:00 PM to 11:59 PM, add 12 Hours


Converting 24 Hour Clock to AM/PM

12pm Utc To Aest

For the first hour of the day (00:00 to 00:59), add 12 Hours, make it 'AM'

Examples: 00:10 = 12:10 AM, 00:40 = 12:40 AM

From 01:00 to 11:59, just make it 'AM'

From 12:00 to 12:59, just make it 'PM'

Examples: 12:10 = 12:10 PM, 12:55 = 12:55 PM

From 13:00 to 23:59, subtract 12 Hours, make it 'PM'

Comparison Chart

Here is a side-by-side comparison of the 24 Hour Clock and AM/PM:

Example: 10 minutes past
AM / PM
24 Hour Clock
AM / PM
00:0012 Midnight
00:1012:10 AM
01:001:00 AM01:101:10 AM
02:002:00 AM02:102:10 AM
03:003:00 AM03:103:10 AM
04:004:00 AM04:104:10 AM
05:005:00 AM05:105:10 AM
06:006:00 AM06:106:10 AM
07:007:00 AM07:107:10 AM
08:008:00 AM08:108:10 AM
09:009:00 AM09:109:10 AM
10:0010:00 AM10:1010:10 AM
11:0011:00 AM11:1011:10 AM
12:0012 Noon12:1012:10 PM
13:001:00 PM13:101:10 PM
14:002:00 PM14:102:10 PM
15:003:00 PM15:103:10 PM
16:004:00 PM16:104:10 PM
17:005:00 PM17:105:10 PM
18:006:00 PM18:106:10 PM
19:007:00 PM19:107:10 PM
20:008:00 PM20:108:10 PM
21:009:00 PM21:109:10 PM
22:0010:00 PM22:1010:10 PM
23:0011:00 PM23:1011:10 PM

Midnight and Noon

'12 AM' and '12 PM' can cause confusion, so we prefer '12 Midnight' and '12 Noon'.

12pm Utc To Est

What Day is Midnight?

Midnight has another problem: there is nothing to tell us 'is this the beginning or ending of the day'.

Imagine your friends say they are leaving for holiday at 'midnight' on 12th March, what day should you arrive to say goodbye?

Do you get there on the 11th (assuming they leave at the very start of the 12th), or the 12th (assuming they leave at the end of the 12th)?

It is better to use:

Utc Time Zone To Est

  • 11:59 PM or 12:01 AM, or
  • 23:59 or 00:01 (24-Hour Clock)

which the railroads, airlines and military actually do.

So, when you see something like 'offer ends midnight October 15th' tell them to use one minute before or after so there is no confusion!

Footnote on 'Meridiem' vs 'Meridian'

Should 'AM' be 'ante meridiem' or 'ante meridian' (likewise for PM)?

What Is 12pm Utc To Est

The official (according to an American, Australian and British dictionary I checked), and most common spelling for AM is 'ante meridiem' which is a Latin phrase. I recommend that spelling!

What Is Utc Time To Est

But people sometimes use the phrase 'ante meridian' (a 'meridian' in this case refers to an imaginary line in the sky when the sun is at its highest point).