"Sun, 11 Aug 2024 15:50:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
15:50:20
General datetime
2024-08-11 15:50:20Z
For Database
2024-08-11 15:50:20
For HTTP1.1
Sun, 11 Aug 2024 15:50:20 GMT