"Mon, 09 Dec 2024 08:03:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
08:03:20
General datetime
2024-12-09 08:03:20Z
For Database
2024-12-09 08:03:20
For HTTP1.1
Mon, 09 Dec 2024 08:03:20 GMT