"Mon, 09 Dec 2024 17:21:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
17:21:01
General datetime
2024-12-09 17:21:01Z
For Database
2024-12-09 17:21:01
For HTTP1.1
Mon, 09 Dec 2024 17:21:01 GMT