"Mon, 29 Apr 2024 04:40:28"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240429
Only TIME
04:40:28
General datetime
2024-04-29 04:40:28Z
For Database
2024-04-29 04:40:28
For HTTP1.1
Mon, 29 Apr 2024 04:40:28 GMT