"Mon, 18 Mar 2024 16:08:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240318
Only TIME
16:08:20
General datetime
2024-03-18 16:08:20Z
For Database
2024-03-18 16:08:20
For HTTP1.1
Mon, 18 Mar 2024 16:08:20 GMT