"Sun, 30 Jun 2024 13:21:00"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240630
Only TIME
13:21:00
General datetime
2024-06-30 13:21:00Z
For Database
2024-06-30 13:21:00
For HTTP1.1
Sun, 30 Jun 2024 13:21:00 GMT