"Sat, 20 Jul 2024 22:40:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
22:40:19
General datetime
2024-07-20 22:40:19Z
For Database
2024-07-20 22:40:19
For HTTP1.1
Sat, 20 Jul 2024 22:40:19 GMT