"Sun, 30 Jun 2024 17:11:40"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
17:11:40
General datetime
2024-06-30 17:11:40Z
For Database
2024-06-30 17:11:40
For HTTP1.1
Sun, 30 Jun 2024 17:11:40 GMT