"Sat, 18 May 2024 08:00:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240518
Only TIME
08:00:33
General datetime
2024-05-18 08:00:33Z
For Database
2024-05-18 08:00:33
For HTTP1.1
Sat, 18 May 2024 08:00:33 GMT