PM means after noon. It covers the 12 hours from noon to midnight. Using numbers from 1 to 12, followed by am or pm, the 12-hour clock system identifies all 24 hours of the day. For example, 1 am is one hour after midnight, and 5 am is early in the morning; 5 pm is late in the afternoon, while 11 pm is one hour before midnight. See an overview ...

This hours calculator computes the number of hours and minutes between two times. A full version can calculate the hours between two times on different dates.

The 24-hour clock is a way of telling the time in which the day runs from midnight to midnight and is divided into 24 hours, numbered from 1 or 0 to 24 or 23. It does not use a.m. or p.m.

Simply enter the 12-hour time value into the box on the left and select between ante meridiem (am) or post meridiem (pm) options. Hit the 'Convert' button. To convert 12 hour time to 24 hour time format we follow the steps below:

There are 24 Hours in a Day and 60 Minutes in each Hour. Example: 10:25 means 10 Hours and 25 Minutes. 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. the other 12 Hours running from Noon to Midnight (the PM hours). Like this (try the slider):

2020年10月30日 · 一天分为两个 12 小时时段，从午夜到中午（am 时间），从中午到午夜（pm 时间）。 am 和 pm 的缩写来自拉丁语： am：正午之前; pm：正午之后; 24 小时制. 一天是指从一个午夜到下一个午夜。从午夜 0 点到 23 点为 24 小时。时间以从午夜开始的小时和分钟表示。

The meaning of AM and PM is the simple abbreviation of Latin phrases. In particular, AM stands for ante meridiem, which translates into English as ‘before midday’. Meanwhile, PM is post meridiem and means in English ‘after midday’. These abbreviations are used to identify the time in the 12-hour clock format instead of using 24 hours.

The initial 12-hour period which lasts from midnight to noon is designated with AM while the next 12-hour period which lasts from noon to midnight is designated with PM. Let us learn more about the meaning of AM and PM in this article.

The 12-hour clock is a time convention in which the 24 hours of the day are divided into two periods: a.m. (from Latin ante meridiem, translating to "before midday") and p.m. (from Latin post meridiem, translating to "after midday").

Use this free 24h to 12h clock converter & calculator to easily convert a 24-hour time to 12-hour time (AM & PM). Calculate 12 hour time from 24 hour time, and vice versa. A 24 hour clock conversion table is included.