Template:Calendar

<!-- To calculate the number of New Britannian days, we calculate the difference from the given date and time (default current) to midnight 1 Jan 2013, multiplying to get the number of days and rounding up for leap years starting with 2016, then multiplying the total from the years months and days by 24 to get the number of New Britannian days per Earth day, and adding the number of hours

hours since midnight Jan 1 2013

Then, using this number, we need to calculate the date in New Britannia, beginning with 1 Jan 400, this currently assumed that New Britannia uses the same calendar as Ultima with 28-day months in a 336 day year

years,

months

days

--> ,