"Sat, 13 Jul 2024 13:36:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
13:36:36
General datetime
2024-07-13 13:36:36Z
For Database
2024-07-13 13:36:36
For HTTP1.1
Sat, 13 Jul 2024 13:36:36 GMT