"Sat, 09 Mar 2024 06:23:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240309
Only TIME
06:23:21
General datetime
2024-03-09 06:23:21Z
For Database
2024-03-09 06:23:21
For HTTP1.1
Sat, 09 Mar 2024 06:23:21 GMT