"Sat, 27 Apr 2024 04:40:33"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
04:40:33
General datetime
2024-04-27 04:40:33Z
For Database
2024-04-27 04:40:33
For HTTP1.1
Sat, 27 Apr 2024 04:40:33 GMT