"Sun, 31 Mar 2024 22:21:09"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20240331
Only TIME
22:21:09
General datetime
2024-03-31 22:21:09Z
For Database
2024-03-31 22:21:09
For HTTP1.1
Sun, 31 Mar 2024 22:21:09 GMT