"Sat, 10 Aug 2024 15:30:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
15:30:30
General datetime
2024-08-10 15:30:30Z
For Database
2024-08-10 15:30:30
For HTTP1.1
Sat, 10 Aug 2024 15:30:30 GMT