Local Time to UTC by Language

Language	Code to Convert Local Time to UTC
Ada	Local_Time.To_UTC(Time_Now)
AutoHotKey	EnvAdd, LocalTime, % A_TimeZone * -60, Minutes
Ballerina	time:utc = time:civilToUtc(civil);
Bash	date -u
C++	std::time_t local = std::time(nullptr); std::gmtime(&local);
C#	DateTime.Now.ToUniversalTime();
Cobol	MOVE FUNCTION WHEN-COMPILED TO WS-UTC-TIME
ColdFusion	dateConvert("local2UTC", now())
Common Lisp	(local-time:timestamp-to-universal (local-time:now))
CQL (Cassandra)	SELECT CAST(dateOf(now()) AT TIMEZONE 'UTC' AS timestamp);
Crystal	Time.local.to_utc
Dart	DateTime.now().toUtc()
DAX	UTCNOW()
Elixir	DateTime.now!("Etc/UTC")
Erlang	calendar:local_time_to_universal_time(calendar:local_time())
Excel	=CONVERT(NOW(), "Local", "UTC")
Fortran	call localtime(time, values); call gmtime(time, utc_values)
Forth	time&date utc-time
F#	DateTime.Now.ToUniversalTime()
Go	time.Now().UTC()
Groovy	TimeZone.getDefault().convertLocalToUTC(new Date())
Haskell	localTimeToUTC <$> getTimeZone <*> getLocalTime
Haxe	Date.now().getTime() - Date.fromTime(0).getTimezoneOffset() * 60000
Io	Date clone removeGMTOffset
Java	ZonedDateTime.now().withZoneSameInstant(ZoneOffset.UTC)
JavaScript	new Date().toUTCString()
Julia	using Dates; now(UTC)
Kotlin	ZonedDateTime.now().withZoneSameInstant(ZoneOffset.UTC)
Laravel	now()->utc()
Lua	os.time(os.date("!*t"))
MATLAB	datetime('now', 'TimeZone', 'local', 'Format', 'UTC')
MySQL	CONVERT_TZ(NOW(), @@session.time_zone, 'UTC')
Nim	getTime().local.utc
Objective-C	[NSDate date].timeIntervalSinceReferenceDate - [[NSTimeZone localTimeZone] secondsFromGMT]
OCaml	Unix.gmtime (Unix.time ())
Pascal	LocalTimeToUniversal(Now);
Perl	DateTime->now(time_zone => 'UTC')
PHP	gmdate('Y-m-d H:i:s')
PL/SQL	SELECT SYS_EXTRACT_UTC(SYSTIMESTAMP) FROM DUAL;
PostgreSQL	SELECT NOW() AT TIME ZONE 'UTC';
PowerShell	[System.TimeZoneInfo]::ConvertTimeToUtc((Get-Date), [System.TimeZoneInfo]::Local)
Prolog	get_time(Local), stamp_date_time(Local, UTC, 0).
Python	datetime.now().astimezone(timezone.utc)
R	as.POSIXct(Sys.time(), tz = "UTC")
Racket	(current-seconds)
React	new Date().toUTCString()
Ruby	Time.now.utc
Rust	Local::now().with_timezone(&Utc)
SAS	%let utc_time = %sysfunc(datetime(), E8601DT.)
Scala	ZonedDateTime.now().withZoneSameInstant(ZoneOffset.UTC)
Scheme	(time-local->utc (current-time))
SQLite	datetime(CURRENT_TIMESTAMP, 'utc')
SML	Date.toTime(Date.fromTimeUniv(Time.now()))
Swift	Date().timeIntervalSinceReferenceDate - TimeZone.current.secondsFromGMT()
TCL	clock format [clock seconds] -timezone :UTC
T-SQL	SELECT GETUTCDATE();
TypeScript	new Date().toUTCString()
V	time.now().utc()
VBScript	DateAdd("n", TimeZoneOffset, Now)
Vala	var now = new DateTime.now_utc();
Xojo	DateTime.Now.ToUniversal
Zig	std.time.timestamp().toUTC()

Current Unix Timestamp SECONDS SINCE JAN 01 1970

Current UTC Time

2025-08-20