"Sat, 13 Jul 2024 20:06:23"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240713
Only TIME
20:06:23
General datetime
2024-07-13 20:06:23Z
For Database
2024-07-13 20:06:23
For HTTP1.1
Sat, 13 Jul 2024 20:06:23 GMT