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All of the above is now considered obsolete. Python 3.2 introduced datetime.timezone so that a proper tzinfo for UTC could be available to all. So the modern version becomes: def utc_now(): return datetime.datetime.now(tz=datetime.timezone.utc) edited Aug 3, 2023 at 0:54. answered Apr 11, 2013 at 3:36. Mark Ransom.
Timestamp is always in UTC. new Date().toString() will show you current time zone time representation, new Date().toUTCString() will show you UTC time repr, but new Date().getTime() is always UTC, because that is what Unix time is defined as: "Unix time (also known as POSIX time or epoch time) is a system for describing instants in time ...
The time() function returns the value of time in seconds since 0 hours, 0 minutes, 0 seconds, January 1, 1970, Coordinated Universal Time, without including leap seconds. OS X and most other *BSDs have the same manpage, Windows and linux/glibc also specifically return UTC (with or without leap seconds), etc. Also, the Python documentation says:
Essentially, UTC = GMT+00:00. Then, at a later time UTC was adopted as the best way to refer to the start of this agreed 1st January 1970 rule to avoid confusing it with the time for UK and similar time zone countries. UTC is the standard. GMT is the time zone for a country/countries.
ctime function returns a C string containing the date and time information in a human-readable format. To get time in UTC you can use gettimeofday() (for Linux)-. struct timeval ptm; gettimeofday(&ptm,NULL); long int ms = ptm.tv_sec * 1000 + ptm.tv_usec / 1000; And you can see function GetSystemTime in for windows.
system_clock measures Unix Time (i.e., time since 00:00:00 Coordinated Universal Time (UTC), Thursday, 1 January 1970, not counting leap seconds). Note that std::time_t doesn't have any specified epoch, it is just usually 1970-01-01 00:00.000 UTC :
The UTC timestamp on the jsfiddle link is incorrect. Actually your "Local timestamp" is the UTC timestamp and your "UTC timestamp" is the # of seconds between epoch UTC and your local time, which isn't really meaningful. Date.getTime automatically returns a UTC timestamp. –
The time.time() function returns the number of seconds since the epoch, as a float. Note that “ the epoch ” is defined as the start of January 1st, 1970 in UTC. So the epoch is defined in terms of UTC and establishes a global moment in time. No matter where on Earth you are, “seconds past epoch” (time.time()) returns the same value at ...
2. It's simple. Try this for Azure SQL Server: SELECT YourDateTimeColumn AT TIME ZONE 'Eastern Standard Time' FROM YourTable. For Local SQL Server : SELECT CONVERT(datetime2, SWITCHOFFSET(CONVERT(datetimeoffset, gETDATE()), DATENAME(TzOffset, gETDATE() AT TIME ZONE 'Eastern Standard Time'))) FROM YourTable.
The second moment().utc(date) is for manipulating the current time (moment()) and the date parameter is useless since this .utc() in this case doesn't expect any params. – CodingHamster Commented Dec 7, 2017 at 7:48