"Sun, 26 Jan 2025 08:21:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
08:21:21
General datetime
2025-01-26 08:21:21Z
For Database
2025-01-26 08:21:21
For HTTP1.1
Sun, 26 Jan 2025 08:21:21 GMT