"Sat, 04 May 2024 04:01:02"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
04:01:02
General datetime
2024-05-04 04:01:02Z
For Database
2024-05-04 04:01:02
For HTTP1.1
Sat, 04 May 2024 04:01:02 GMT