"Mon, 23 Dec 2024 15:36:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
15:36:03
General datetime
2024-12-23 15:36:03Z
For Database
2024-12-23 15:36:03
For HTTP1.1
Mon, 23 Dec 2024 15:36:03 GMT