"Sun, 11 Aug 2024 15:15:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240811
Only TIME
15:15:05
General datetime
2024-08-11 15:15:05Z
For Database
2024-08-11 15:15:05
For HTTP1.1
Sun, 11 Aug 2024 15:15:05 GMT