"Sat, 04 May 2024 20:00:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
20:00:19
General datetime
2024-05-04 20:00:19Z
For Database
2024-05-04 20:00:19
For HTTP1.1
Sat, 04 May 2024 20:00:19 GMT