"Sat, 29 Jun 2024 18:05:03"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
18:05:03
General datetime
2024-06-29 18:05:03Z
For Database
2024-06-29 18:05:03
For HTTP1.1
Sat, 29 Jun 2024 18:05:03 GMT