"Sun, 16 Jun 2024 13:21:05"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240616
Only TIME
13:21:05
General datetime
2024-06-16 13:21:05Z
For Database
2024-06-16 13:21:05
For HTTP1.1
Sun, 16 Jun 2024 13:21:05 GMT