"Mon, 18 Nov 2024 21:47:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241118
Only TIME
21:47:38
General datetime
2024-11-18 21:47:38Z
For Database
2024-11-18 21:47:38
For HTTP1.1
Mon, 18 Nov 2024 21:47:38 GMT