AM means before noon. This is the 12-hour period from midnight to noon. PM means after noon. It covers the 12 hours from noon to midnight. Using numbers from 1 to 12, followed by am or …

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 …

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 …

AM and PM denote whether it is before or after the middle of a day. In our article we explain the difference with 24-hour clock and different tips on how to use, spell and understand AM and PM.

你的朋友可以让你在4月13日凌晨00:01（12:01 am）到达机场，或者，如果要在下一个午夜到达，那就在4月13日晚上11:59（11:59 pm ）到达。 或者，24小时格式也可以使用。

The meaning of AM and PM is ‘Ante Meridiem’ and ‘Post Meridiem’, which means before noon or midday. We associate P.M. with the afternoon and evening. P.M. is an abbreviated term for …

2022年9月22日 · a.m. 和 p.m. 这是美式用法，数字和它们之间要有空格，也可全部用大写。 11:18 p.m. 或者 11:18 P.M. ；英式英语则无句号，而且数字和它们之间无空格（大小写均 …

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 …

AM and PM are units that are used to represent time in a 12-hour clock. From midnight to 11:59 noon, the time is represented as AM, and from 12 noon to 11:59 midnight, it is represented as …

As we said above, AM stands for “ante meridiem” or before noon in Latin, so it is used to describe the first portion of the day – the first 12 hours. On the other hand, PM stands for “post …