"Sat, 20 Jul 2024 06:37:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240720
Only TIME
06:37:51
General datetime
2024-07-20 06:37:51Z
For Database
2024-07-20 06:37:51
For HTTP1.1
Sat, 20 Jul 2024 06:37:51 GMT