Japan Standard Time (JST)
The differences of the several time zones to each other are always specified in relation to the "Coordinated Universal Time" (UTC), the time on the prime meridian (zero longitude). The Japan Standard Time is consistent with UTC +9.
The Japan Standard Time does not have an associated daylight saving time.
The Japan Standard Time applies only to Japan
Countries in JST
The Japan Standard Time applies to the following countries:
Further Countries in the same timezone of UTC +9
Although the timezone is named "Japan Standard Time", it has mostly politcal reasons. It simply means that eg beginning and ending of daylight saving time always uniformly apply here. There are some other countries, in which the clock strikes just the same hour. These countries have the same temporal distance to UTC (Universal Time Coordinated):
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