AM stands for ante meridiem and PM stands for post meridiem, representing the hours before and after noon on a 12-hour clock.

World time and date for cities in all time zones. International time right now. Takes into account all DST clock changes.

Time Zone Converter – Time Difference Calculator. Provides time zone conversions taking into account Daylight Saving Time (DST), local time zone and accepts present, past, or future dates.

Time Calculator: Duration Between Two Times and Dates. How many years, months, days, hours, minutes, and seconds are there between two moments in time?

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

Clock Calculator: Add Time or Subtract Time. Enter a date and time, then add or subtract any number of months, days, hours, or seconds.

Find the time difference between several cities with the Time Difference Calculator. Provides time zone conversions taking into account daylight saving time (DST), local time zone and accepts …

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

The World Clock — Worldwide. Find current time, weather, sun, moon, and much more...

The US dependencies don't use DST.. The United States' Time Zone History. The US was divided into 4 standard time zones on November 18, 1883, and jurisdiction for the zones was given to …