"Mon, 18 Nov 2024 21:38:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241118
Only TIME
21:38:34
General datetime
2024-11-18 21:38:34Z
For Database
2024-11-18 21:38:34
For HTTP1.1
Mon, 18 Nov 2024 21:38:34 GMT