"Mon, 10 Jun 2024 18:34:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240610
Only TIME
18:34:34
General datetime
2024-06-10 18:34:34Z
For Database
2024-06-10 18:34:34
For HTTP1.1
Mon, 10 Jun 2024 18:34:34 GMT