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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.
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.
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.
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 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. –
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.
Here is a static method i use in my application to insert UTC time in mysql since i cannot add a default value UTC_TIMESTAMP to a datetime column. public static LocalDateTime getLocalDateTimeInUTC(){ ZonedDateTime nowUTC = ZonedDateTime.now(ZoneOffset.UTC); return nowUTC.toLocalDateTime(); }
Get-Date converts the given UTC time to local time and stores it as a datetime object with Kind set to Local. It does store the correct physical point in time, but it is a local time and will be printed in local time. Note that this still IS a correct answer to the question. OP did not specifically ask for creating a datetime object with kind ...
The following will return the current UTC date as just that -- a DATE. CAST(sys_extract_utc(SYSTIMESTAMP) AS DATE) I often store dates like this, usually with the field name ending in _UTC to make it clear for the developer. This allows me to avoid the complexity of time zones until last-minute conversion by the user's client.