"Sat, 29 Jun 2024 21:06:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
21:06:51
General datetime
2024-06-29 21:06:51Z
For Database
2024-06-29 21:06:51
For HTTP1.1
Sat, 29 Jun 2024 21:06:51 GMT