"Sun, 30 Jun 2024 18:35:38"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
18:35:38
General datetime
2024-06-30 18:35:38Z
For Database
2024-06-30 18:35:38
For HTTP1.1
Sun, 30 Jun 2024 18:35:38 GMT