Exact time now, time zone, time difference, sunrise/sunset time and key facts for UTC.
It is a unique online tool to help our users convert UTC time into the current time in a certain time zone. Therefore, by using it you can find an answer to the question, what is the time now in the time zone you're interested in.
View the current UTC time, understand its format (Coordinated Universal Time), and convert to popular time zones like EST, PST, and GMT with just a few clicks.
Get information about the UTC time zone (IANA) to gain key insights into the current time, DST, and standard time details.
Coordinated Universal Time (UTC) [a] is the primary time standard globally used to regulate clocks and time. It establishes a reference for the current time, forming the basis for civil time and time zones. UTC facilitates international communication, navigation, scientific research, and commerce.
UTC is a time zone standard used as a basis for all time zones worldwide. It is a constant time scale and does not change for Daylight Saving Time (DST).
datetime.now(timezone.utc) datetime.now(timezone.utc).timestamp() * 1000 # POSIX timestamp in milliseconds For your purposes when you need to calculate an amount of time spent between two dates all that you need is to subtract end and start dates. The results of such subtraction is a timedelta object. From the python docs:
I feel neccessary to add comment about "why" exactly this behaviour was implemented the way it was - it's because Postgresql doesn't actually store timezone even in "timestamp with timezone" type - it just assumes that input time is in UTC. So it's really easy to "shoot off your leg" in this one, especially when you use something like DateTime.Now More on that here - stackoverflow.com ...