"Sat, 10 Aug 2024 15:57:20"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
15:57:20
General datetime
2024-08-10 15:57:20Z
For Database
2024-08-10 15:57:20
For HTTP1.1
Sat, 10 Aug 2024 15:57:20 GMT