"Sun, 28 Jul 2024 20:11:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240728
Only TIME
20:11:20
General datetime
2024-07-28 20:11:20Z
For Database
2024-07-28 20:11:20
For HTTP1.1
Sun, 28 Jul 2024 20:11:20 GMT