"Sat, 22 Jun 2024 16:15:30"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240622
Only TIME
16:15:30
General datetime
2024-06-22 16:15:30Z
For Database
2024-06-22 16:15:30
For HTTP1.1
Sat, 22 Jun 2024 16:15:30 GMT