"Mon, 18 Mar 2024 11:20:25"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240318
Only TIME
11:20:25
General datetime
2024-03-18 11:20:25Z
For Database
2024-03-18 11:20:25
For HTTP1.1
Mon, 18 Mar 2024 11:20:25 GMT