"Mon, 13 May 2024 23:19:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240513
Only TIME
23:19:02
General datetime
2024-05-13 23:19:02Z
For Database
2024-05-13 23:19:02
For HTTP1.1
Mon, 13 May 2024 23:19:02 GMT