"Sat, 29 Jun 2024 06:21:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
06:21:35
General datetime
2024-06-29 06:21:35Z
For Database
2024-06-29 06:21:35
For HTTP1.1
Sat, 29 Jun 2024 06:21:35 GMT