"Sat, 27 Apr 2024 00:28:35"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240427
Only TIME
00:28:35
General datetime
2024-04-27 00:28:35Z
For Database
2024-04-27 00:28:35
For HTTP1.1
Sat, 27 Apr 2024 00:28:35 GMT