"Sat, 10 Aug 2024 15:20:01"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
15:20:01
General datetime
2024-08-10 15:20:01Z
For Database
2024-08-10 15:20:01
For HTTP1.1
Sat, 10 Aug 2024 15:20:01 GMT