For practical purposes they are same. GMT is Greenwich Mean Time. It is related to how the earth rotates but in practice Atomic clocks are used to measure it. UTC is universal time coordinated set by the average of a number of atomic clocks.What is the time difference between PST and UTC?
When planning a call between UTC and PST, you need to consider time difference between these time zones. UTC is 8 hours ahead of PST. If you are in UTC, the most convenient time to accommodate all parties is between 5:00 pm and 6:00 pm for a conference call or meeting. In PST, this will be a usual working time of between 9:00 am and 10:00 am.How can I convert UTC datetime to local (EST) time?
Converting UTC to local time. To convert UTC to local time, call the ToLocalTime method of the DateTime object whose time you want to convert. The exact behavior of the method depends on the value of the object's Kind property, as the following table shows.How to convert UTC date time?
You can do this in a few different ways. One way is to get the UTC time directly and store it in a date-time datatype column. Next way is to convert the given local time to UTC time and then store it in a date time column. Another way is to use the datetimeoffset to add the offset to UTC and store it in a datetimeoffset column.