1 files changed, 38 insertions, 0 deletions
diff --git a/lib/ur/datetime.urs b/lib/ur/datetime.urs
new file mode 100644
index 00000000..972f86bf
--- /dev/null
+++ b/lib/ur/datetime.urs
@@ -0,0 +1,38 @@
+datatype day_of_week = Sunday | Monday | Tuesday | Wednesday | Thursday |
+         Friday | Saturday
+
+datatype month = January | February | March | April | May | June | July |
+         August | September | October | November | December
+
+
+type t = {
+     Year : int,
+     Month : month,
+     Day : int,
+     Hour : int,
+     Minute : int,
+     Second : int
+}
+
+val ord_datetime : ord t
+
+val show_day_of_week : show day_of_week
+val show_month : show month
+val eq_day_of_week : eq day_of_week
+val eq_month : eq month
+val dayOfWeekToInt : day_of_week -> int
+val intToDayOfWeek : int -> day_of_week
+val monthToInt : month -> int
+val intToMonth : int -> month
+
+val toTime : t -> time
+val fromTime : time -> t
+val format : string -> t -> string
+val dayOfWeek : t -> day_of_week
+val now : transaction t
+val normalize : t -> t
+
+val addSeconds : int -> t -> t
+val addMinutes : int -> t -> t
+val addHours : int -> t -> t
+val addDays : int -> t -> t