"Sat, 04 May 2024 13:19:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
13:19:03
General datetime
2024-05-04 13:19:03Z
For Database
2024-05-04 13:19:03
For HTTP1.1
Sat, 04 May 2024 13:19:03 GMT