"Fri, 19 Jul 2024 18:20:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240719
Only TIME
18:20:20
General datetime
2024-07-19 18:20:20Z
For Database
2024-07-19 18:20:20
For HTTP1.1
Fri, 19 Jul 2024 18:20:20 GMT