"Sat, 22 Jun 2024 15:50:10"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240622
Only TIME
15:50:10
General datetime
2024-06-22 15:50:10Z
For Database
2024-06-22 15:50:10
For HTTP1.1
Sat, 22 Jun 2024 15:50:10 GMT