"Sat, 04 May 2024 14:13:06"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240504
Only TIME
14:13:06
General datetime
2024-05-04 14:13:06Z
For Database
2024-05-04 14:13:06
For HTTP1.1
Sat, 04 May 2024 14:13:06 GMT