"Fri, 16 Aug 2024 20:30:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240816
Only TIME
20:30:21
General datetime
2024-08-16 20:30:21Z
For Database
2024-08-16 20:30:21
For HTTP1.1
Fri, 16 Aug 2024 20:30:21 GMT