It was week 18.
Gregorian calendar: Sunday Julian calendar: Tuesday
Different webaites provide option to display week number in calendar.
From a US perpetual calendar: April 3,1954 was on Saturday.
Its a tuesday I checked it on my calendar
That's a Monday on the Julian calendar and a Tuesday on the proleptic Gregorian calendar.
That's a Wednesday on the Julian calendar and a Monday on the proleptic Gregorian calendar.
April 10, 2011 was on a Sunday.
April 13, 2011 was a Wednesday.
April 1 , 2011 was a Thursday.
April 21, 2011 was on a Thursday.
April 28 , 2011 was a Thursday.
April 29, 2011 was on a Friday.