"Sun, 26 Jan 2025 21:49:51"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
21:49:51
General datetime
2025-01-26 21:49:51Z
For Database
2025-01-26 21:49:51
For HTTP1.1
Sun, 26 Jan 2025 21:49:51 GMT