"Mon, 23 Dec 2024 08:26:15"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
08:26:15
General datetime
2024-12-23 08:26:15Z
For Database
2024-12-23 08:26:15
For HTTP1.1
Mon, 23 Dec 2024 08:26:15 GMT