"Sat, 04 May 2024 18:35:31"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
18:35:31
General datetime
2024-05-04 18:35:31Z
For Database
2024-05-04 18:35:31
For HTTP1.1
Sat, 04 May 2024 18:35:31 GMT