"Mon, 23 Dec 2024 08:40:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
08:40:35
General datetime
2024-12-23 08:40:35Z
For Database
2024-12-23 08:40:35
For HTTP1.1
Mon, 23 Dec 2024 08:40:35 GMT