Solution to problem 19 in Julia

src/Julia/Problem019.jl

@@ -0,0 +1,45 @@
+#= 
+Created on 02 Aug 2021
+
+@author: David Doblas Jiménez
+@email: daviddoji@pm.me
+
+Solution for Problem 19 of Project Euler
+https://projecteuler.net/problem=19 =#
+
+using Dates
+
+function Problem19()
+    """
+    You are given the following information, but you may prefer to do some
+    research for yourself.
+
+    1 Jan 1900 was a Monday.
+    Thirty days has September, April, June and November.
+    All the rest have thirty-one,
+    Saving February alone,
+    Which has twenty-eight, rain or shine.
+    And on leap years, twenty-nine.
+    A leap year occurs on any year evenly divisible by 4, but not on a century
+    unless it is divisible by 400.
+
+    How many Sundays fell on the first of the month during the twentieth
+    century (1 Jan 1901 to 31 Dec 2000)?
+    """
+    sundays = 0
+    for y in 1901:2000
+        for m in 1:12
+            # t = Date(y, m, 1)
+            if Dates.dayofweek(Date(y, m, 1)) == Dates.Sunday
+                sundays += 1
+            end
+        end
+    end
+    return sundays
+end
+
+
+println("Time to evaluate Problem 19:")
+@time Problem19()
+println("")
+println("Result for Problem 19: ", Problem19())