"Mon, 18 Mar 2024 18:41:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240318
Only TIME
18:41:48
General datetime
2024-03-18 18:41:48Z
For Database
2024-03-18 18:41:48
For HTTP1.1
Mon, 18 Mar 2024 18:41:48 GMT