"Sun, 18 Aug 2024 05:50:45"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240818
Only TIME
05:50:45
General datetime
2024-08-18 05:50:45Z
For Database
2024-08-18 05:50:45
For HTTP1.1
Sun, 18 Aug 2024 05:50:45 GMT