"Sun, 26 Jan 2025 12:26:21"
Convert date and time to unixtime.
Another datetime format string at UTC
YYYYMMDD
20250126
Only TIME
12:26:21
General datetime
2025-01-26 12:26:21Z
For Database
2025-01-26 12:26:21
For HTTP1.1
Sun, 26 Jan 2025 12:26:21 GMT