When you view the file details of the file that is on your computer, the date in the Date Modified column may be different from the date in the Date Created column.
#Utc time calculation update#
You can use this method to compare the file's converted time to the time of a software update file that is on your computer. If the adjusted time is 12:00, use 12:00 noon. If the adjusted time is 00:00, use 12:00 midnight. If the adjusted time is between 00:01 and 11:59, inclusive, leave the adjusted time as is, and then append A.M. If the offset-adjusted time is between 12:01 and 23:59, inclusive, subtract 12 from the adjusted time, and then append P.M. So the Epoch is Unix time 0 (1-1-1970) but it is also used as Unix Time or Unix Timestamp. It can be a number of seconds between particular date time and that have passed since 1 January 1970 at Coordinated Universal Time (UTC). To make the conversion, follow these steps: The Unix Timestamp or Unix Epoch Time or POSIX Time is a technique to indicate about a point in time. For example, if daylight saving time in your time zone is one hour ahead of standard time, add one hour to the offset-adjusted time.Ĭonvert the 24-hour time format to 12-hour time format if your local time uses the 12-hour format. If your time zone participates in daylight saving time, add the time difference to the file's offset-adjusted time when daylight saving time is in effect. UTC time is not adjusted to reflect daylight-saving time. For example, if your local time offset is -8:00, and if the file's UTC time is shown as 00:00 (12:00 midnight) on Monday, the adjusted time is 16:00 on Sunday (4:00 P.M., Sunday). The time setting when adjusted for offset is 06:00 (6:00 A.M.). For example, -5:00 is the local time offset for Eastern Time (US & Canada):Īdd the local time offset to the UTC time.įor example, if your local time offset is -5:00, and if the UTC time is shown as 11:00, add -5 to 11.
The local time offset is shown at the start of each local region list item. If your local time zone is not selected, click it in the list of available time zones. To do this, follow these steps on a Microsoft Windows-based computer:Ĭlick Start, click Run, type timedate.cpl, and then click OK.Ĭlick the Time Zone tab, and then verify that your local time zone is selected. To convert UTC to local time, follow these steps:ĭetermine your local time offset from UTC time.
#Utc time calculation how to#
This article describes how to convert UTC to local time to verify that the file that is on your computer is the one that is discussed in the documentation. Microsoft uses Coordinated Universal Time (UTC) format, an international standard 24-hour timekeeping system, to document the created dates and times of files that are included in a software update. How to convert UTC time to local time INTRODUCTION
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