"Fri, 19 Jul 2024 18:40:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240719
Only TIME
18:40:19
General datetime
2024-07-19 18:40:19Z
For Database
2024-07-19 18:40:19
For HTTP1.1
Fri, 19 Jul 2024 18:40:19 GMT