UTC Time: Definition Coordinated Universal Time is a modern version of Greenwich Mean Time. As mentioned above, the phrase, which refers to GMT as counted from midnight, was coined in the 1930s. Other than this, one of the biggest differences between GMT and UTC is that UTC does not obser...
UTC, GMT and Daylight Saving Time Neither UTC nor GMT ever change forDaylight Saving Time(DST). However, some of the countries that use GMT switch to different time zones during their DST period. For example, theUnited Kingdom is not on GMT all year, it usesBritish Summer Time(BST), wh...
If you want to understand modern time measurements I would strongly recommend to read these two articles:Coordinated Universal Time (UTC) ExplainedandGMT and Other Time Systems Explained. Now bit more for not so ordinal people When it comes to source code things are not getting much cleaner. An...