"Tue, 20 Aug 2024 15:40:19"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240820
Only TIME
15:40:19
General datetime
2024-08-20 15:40:19Z
For Database
2024-08-20 15:40:19
For HTTP1.1
Tue, 20 Aug 2024 15:40:19 GMT