What Do AM and PM Stand For? By Aparna Kher and Konstantin Bikos Some countries use the 12-hour clock format with “am” and “pm” labels. What do these abbreviations mean? Is midnight am or pm?

第一个时间段指定为上午，标记为am，它从午夜运行到中午。 第二个时段，标记为 pm，涵盖从中午到午夜的 12 个小时。 AM = Ante meridiem : 中午之前 PM = Post meridiem : 中午之后 12小时和24小时 …

Current local time in United Kingdom – England – London. Get London's weather and area codes, time zone and DST. Explore London's sunrise and sunset, moonrise and moonset.

The Duration Calculator calculates the number of days, months and years between two dates.

Oct 15, 2019 · 其实，这个不绝对。 要看语言环境，上下文，只要不被误解成别的含义，大小写或者带不带点，就都可以。 am/pm 用的时候一定要紧跟时间，不能机械地去替代morning和afternoon。 比如 …

Find the exact time difference with the Time Zone Converter – Time Difference Calculator which converts the time difference between places and time zones all over the world.

Current local time in Netherlands – Amsterdam. Get Amsterdam's weather and area codes, time zone and DST. Explore Amsterdam's sunrise and sunset, moonrise and moonset.

Current local time in USA – California – Stanford. Get Stanford's weather and area codes, time zone and DST. Explore Stanford's sunrise and sunset, moonrise and moonset.

Current local time in USA – Texas – Waco. Get Waco's weather and area codes, time zone and DST. Explore Waco's sunrise and sunset, moonrise and moonset.

12 小时制中，pm / am 什么时候该用大写，什么时候用小写？