"Mon, 09 Dec 2024 11:44:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241209
Only TIME
11:44:03
General datetime
2024-12-09 11:44:03Z
For Database
2024-12-09 11:44:03
For HTTP1.1
Mon, 09 Dec 2024 11:44:03 GMT