"Mon, 23 Dec 2024 18:01:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20241223
Only TIME
18:01:01
General datetime
2024-12-23 18:01:01Z
For Database
2024-12-23 18:01:01
For HTTP1.1
Mon, 23 Dec 2024 18:01:01 GMT