"Mon, 09 Dec 2024 20:43:13"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
20:43:13
General datetime
2024-12-09 20:43:13Z
For Database
2024-12-09 20:43:13
For HTTP1.1
Mon, 09 Dec 2024 20:43:13 GMT