"Sat, 20 Jul 2024 15:58:26"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
15:58:26
General datetime
2024-07-20 15:58:26Z
For Database
2024-07-20 15:58:26
For HTTP1.1
Sat, 20 Jul 2024 15:58:26 GMT