"Sat, 20 Jul 2024 17:02:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
17:02:19
General datetime
2024-07-20 17:02:19Z
For Database
2024-07-20 17:02:19
For HTTP1.1
Sat, 20 Jul 2024 17:02:19 GMT