"Sat, 29 Jun 2024 20:26:52"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240629
Only TIME
20:26:52
General datetime
2024-06-29 20:26:52Z
For Database
2024-06-29 20:26:52
For HTTP1.1
Sat, 29 Jun 2024 20:26:52 GMT