1 files changed, 13 insertions, 0 deletions
diff --git a/src/date.c b/src/date.c
new file mode 100644
index 0000000..43250f1
--- /dev/null
+++ b/src/date.c
@@ -0,0 +1,13 @@
+char *months[] = {
+   "January", "February", "March", "April", "May",
+   "June", "July", "August", "September", "October",
+   "November", "December"
+};
+
+// Februrary is altered in calp.c if year is a leap year. defaults to 28.
+int days_in_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+
+int isleap(int year) {
+    return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
+}
+