"Sun, 15 Sep 2024 06:20:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240915
Only TIME
06:20:52
General datetime
2024-09-15 06:20:52Z
For Database
2024-09-15 06:20:52
For HTTP1.1
Sun, 15 Sep 2024 06:20:52 GMT