How do I get milliseconds from epoch 1970-01-01 in Java

Question

I need to get the number of milliseconds from 1970-01-01 UTC until now UTC in Java   I would also like to be able to get the number of milliseconds from 1970-01-01 UTC to any other UTC date time

User · Answer

Also try System currentTimeMillis

User · Answer

java time  Using the java time framework built into Java 8 and later   import java time Instant   Instant now   toEpochMilli      Long   1450879900184 Instant now   getEpochSecond      Long   1450879900   This works in UTC because Instant now   is really call to Clock systemUTC   instant    https   docs oracle com javase 8 docs api java time Instant html

User · Answer

How about System currentTimeMillis     From the JavaDoc   Returns  the difference  measured in milliseconds  between the current time and midnight  January 1  1970 UTC  Java 8 introduces the java time framework  particularly the Instant class which     models a     point on the time-line       long now   Instant now   toEpochMilli      Returns  the number of milliseconds since the epoch of 1970-01-01T00 00 00Z -- i e  pretty much the same as above  -   Cheers

User · Answer

You can also try     Calendar calendar   Calendar getInstance      System out println calendar getTimeInMillis       getTimeInMillis   - the current time as UTC milliseconds from the epoch

[java] How do I get milliseconds from epoch (1970-01-01) in Java?

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