"Mon, 08 Apr 2024 18:43:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240408
Only TIME
18:43:21
General datetime
2024-04-08 18:43:21Z
For Database
2024-04-08 18:43:21
For HTTP1.1
Mon, 08 Apr 2024 18:43:21 GMT