"Sat, 04 May 2024 12:33:42"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
12:33:42
General datetime
2024-05-04 12:33:42Z
For Database
2024-05-04 12:33:42
For HTTP1.1
Sat, 04 May 2024 12:33:42 GMT