"Sat, 20 Jul 2024 19:06:48"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
19:06:48
General datetime
2024-07-20 19:06:48Z
For Database
2024-07-20 19:06:48
For HTTP1.1
Sat, 20 Jul 2024 19:06:48 GMT