"Mon, 09 Dec 2024 04:44:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
04:44:13
General datetime
2024-12-09 04:44:13Z
For Database
2024-12-09 04:44:13
For HTTP1.1
Mon, 09 Dec 2024 04:44:13 GMT