Easter Dates

For the year 377 Easter's date is 16 April 377 by the Western Calendar.

For the year 377 Easter's date is 16 April 377 by the Orthodox Calendar.

If you are curious about the date for the Julian calendar as a historical note:
For the year 377 Easter's date is 16 April 377 by the Julian Calendar.

[Before the year 1583 the Julian calendar was the only one used, therefore before 1583, all dates are identical and are under the Julian Calendar.]