"Mon, 18 Mar 2024 16:08:34"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240318
Only TIME
16:08:34
General datetime
2024-03-18 16:08:34Z
For Database
2024-03-18 16:08:34
For HTTP1.1
Mon, 18 Mar 2024 16:08:34 GMT