Catholic Easter Sunday in 1812 was on March 29

Easter Sunday is the central and most significant celebration in the Christian liturgical calendar, marking the resurrection of Jesus Christ from the dead, as described in the New Testament of the Bible.

Easter is a movable feast, meaning its date changes each year. It is celebrated on the first Sunday following the first full moon after the vernal equinox.

Easter Sunday marks the beginning of the liturgical season of Eastertide, which lasts for 50 days until the celebration of Pentecost (Sunday, May 17 in 1812).

See Catholic Calendar for 1812

Catholic Easter in future and past years

Future Years
1813 Sunday, April 18
1814 Sunday, April 10
1815 Sunday, March 26
1816 Sunday, April 14
1817 Sunday, April 6
1818 Sunday, March 22
1819 Sunday, April 11
1820 Sunday, April 2
1821 Sunday, April 22
1822 Sunday, April 7
1823 Sunday, March 30
1824 Sunday, April 18
1825 Sunday, April 3
1826 Sunday, March 26
1827 Sunday, April 15
1828 Sunday, April 6
1829 Sunday, April 19
1830 Sunday, April 11
1831 Sunday, April 3
1832 Sunday, April 22
1833 Sunday, April 7
1834 Sunday, March 30
1835 Sunday, April 19
1836 Sunday, April 3
1837 Sunday, March 26
Past Years
1811 Sunday, April 14
1810 Sunday, April 22
1809 Sunday, April 2
1808 Sunday, April 17
1807 Sunday, March 29
1806 Sunday, April 6
1805 Sunday, April 14
1804 Sunday, April 1
1803 Sunday, April 10
1802 Sunday, April 18
1801 Sunday, April 5
1800 Sunday, April 13
1799 Sunday, March 24
1798 Sunday, April 8
1797 Sunday, April 16
1796 Sunday, March 27
1795 Sunday, April 5
1794 Sunday, April 20
1793 Sunday, March 31
1792 Sunday, April 8
1791 Sunday, April 24
1790 Sunday, April 4
1789 Sunday, April 12
1788 Sunday, March 23
1787 Sunday, April 8