"Sat, 29 Jun 2024 07:35:36"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
07:35:36
General datetime
2024-06-29 07:35:36Z
For Database
2024-06-29 07:35:36
For HTTP1.1
Sat, 29 Jun 2024 07:35:36 GMT