Tuesday.
5th week of what? 5th week of a month, zero. 5th week of a year, then only one.
In 1936, Palm Sunday was on 5th April and Easter Sunday was on 12th April. 30th March was a Monday, two weeks before Easter Monday.
Monday
In todays modern usage of Roman numerals: IV-V-MCMXCIII
April 5th 1952 was a Saturday.
April 5th 2001 was a Thursday.
Friday
Tuesday
Thursday
Tuesday.
It was a Wednesday.
It was a Thursday.
It was a Tuesday.
April 5th, 1987 fell on a Sunday.
Easter Sunday of 2015 falls on April 5th. Easter Sunday of 2016 falls on March 27th. Easter Sunday is calculated by following the lunar cycle. Easter Sunday is calculated as the first Sunday after the full moon following the March equinox.
December 5th 2009 is a Saturday. December 5th 2008 was a Friday.