Unix days make for a good decimal calendar. Simply divide Unix seconds by 86400, and you're done. While there are several decimal calendar attempts available on

Unix days make for a good decimal calendar. Simply divide Unix seconds by 86400, and you're done. While there are several decimal calendar attempts available online, this approach follows Occam's Razor principle by relying on basic division and digit grouping without the need for additional inventions, and yet, has pretty much all the benefits one would want.