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Francesco Sciuto Understanding GetTime() function
Accordign to Salesforce documentation the GetTime() function "Returns the number of milliseconds since January 1, 1970, 00:00:00 GMT represented by this DateTime object.". Take into account that I am in GMT+1 if I use:
DateTime.newInstance(1970, 1, 1).GetTime();
I get a value of -3600000 milliseconds, meaning -1 hour. I was actually expecting +1 hour since I am in GMT +1, can anybody explain that? The only logic I can find about -1 hour is that when in GMT+1 was January 1, 1970, 00:00:00 in GMT it was still January 1, 1969, 23:00:00 GMT.
This function is really important for a token generation function I am building so I want to be sure I following a correct reasoning. Thanks
DateTime.newInstance(1970, 1, 1).GetTime();
I get a value of -3600000 milliseconds, meaning -1 hour. I was actually expecting +1 hour since I am in GMT +1, can anybody explain that? The only logic I can find about -1 hour is that when in GMT+1 was January 1, 1970, 00:00:00 in GMT it was still January 1, 1969, 23:00:00 GMT.
This function is really important for a token generation function I am building so I want to be sure I following a correct reasoning. Thanks
This is known as a "Unix Timestamp" (number of milliseconds since January 1st, 1970, 00:00:00 GMT). In Apex Code, you can use DateTime.newInstance(unixTimestamp) to return a DateTime that contains the formatted date/time value. In JavaScript, use new Date(unitTimestamp) to get the same result. To convert back, in Apex Code, use myDate.getTime(), and in JavaScript, use the same function: myDate.getTime().
Please let us know if this helps.
Regards,
Nagendra.