"Fri, 19 Jul 2024 13:46:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240719
Only TIME
13:46:21
General datetime
2024-07-19 13:46:21Z
For Database
2024-07-19 13:46:21
For HTTP1.1
Fri, 19 Jul 2024 13:46:21 GMT