"Mon, 18 Nov 2024 21:21:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241118
Only TIME
21:21:51
General datetime
2024-11-18 21:21:51Z
For Database
2024-11-18 21:21:51
For HTTP1.1
Mon, 18 Nov 2024 21:21:51 GMT