"Mon, 29 Apr 2024 18:35:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
18:35:09
General datetime
2024-04-29 18:35:09Z
For Database
2024-04-29 18:35:09
For HTTP1.1
Mon, 29 Apr 2024 18:35:09 GMT