"Sat, 10 Aug 2024 15:30:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240810
Only TIME
15:30:51
General datetime
2024-08-10 15:30:51Z
For Database
2024-08-10 15:30:51
For HTTP1.1
Sat, 10 Aug 2024 15:30:51 GMT