diff --git a/contrib/remind-conf-mode/remind-conf-mode.el b/contrib/remind-conf-mode/remind-conf-mode.el
index 3fe4c66b..7d2b3fa2 100644
--- a/contrib/remind-conf-mode/remind-conf-mode.el
+++ b/contrib/remind-conf-mode/remind-conf-mode.el
@@ -130,8 +130,8 @@
 (defconst remind-builtin-variables
   (sort
    (list " $AddBlankLines" "$Ago" "$Am" "$And" "$April" "$At" "$August"
-         "$CalcUTC" "$CalMode" "$Daemon" "$DateSep" "$DateTimeSep" "$December"
-         "$DedupeReminders" "$DefaultColor" "$DefaultDelta"
+         "$CalcUTC" "$CalMode" "$CalType" "$Daemon" "$DateSep" "$DateTimeSep"
+         "$December" "$DedupeReminders" "$DefaultColor" "$DefaultDelta"
          "$DefaultPrio" "$DefaultTDelta" "$DeltaOverride"
          "$DontFork" "$DontQueue" "$DontTrigAts" "$EndSent" "$EndSentIg"
          "$ExpressionTimeLimit" "$February" "$FirstIndent" "$FoldYear"
diff --git a/man/remind.1.in b/man/remind.1.in
index 079fefc9..eb8a62b7 100644
--- a/man/remind.1.in
+++ b/man/remind.1.in
@@ -2518,7 +2518,7 @@ The following system variables are defined.  Those marked
 All system variables hold values of type \fBINT\fR, unless otherwise
 specified.
 .TP
-.B $AddBlankLines 
+.B $AddBlankLines
 If set to 1 (the default), then \fBRemind\fR normally prints a blank
 line after the banner and each reminder.  (This can be suppressed by
 ending the reminder or banner with a single percent sign.)  If
@@ -2539,12 +2539,17 @@ Universal Time Coordinated in the \fB$MinsFromUTC\fR system variable.
 .B $CalMode (read-only)
 If non-zero, then the \fB\-c\fR option was supplied on the command line.
 .TP
+.B $CalType (read-only, STRING type)
+If the \fB\-c\fR, \fB\-s\fR or \fB\-p\fR command-line options were
+used, then this variable has the value "monthly".  If \fB\-c+\fR,
+\fB\-s+\fR or \fB\-p+\fR were used, then "weekly".  Otherwise, "none".
+.TP
 .B $Daemon (read-only)
 If "daemon mode" \fB\-z\fR was invoked, contains the number of
 minutes between wakeups.  If not running in daemon mode, contains
 0.  In server mode (either \fB-z0\fR or \fB-zj\fR), contains -1.
 .TP
-.B $DateSep
+.B $DateSep (STRING type)
 This variable can be set only to "/" or "-".  It holds the character
 used to separate portions of a date when \fBRemind\fR prints a DATE or
 DATETIME value.
@@ -2599,7 +2604,7 @@ print "bar".  The third will not trigger because it's a duplicate of the
 first "foo".
 .RE
 .TP
-.B $DefaultColor
+.B $DefaultColor (STRING type)
 This variable can be set to a string that has the form of three
 space-separated numbers.  Each number must be an integer from 0 to
 255, or all three numbers must be -1.  The default value of
@@ -2976,7 +2981,7 @@ Equivalent to \fByear(trigdate())\fR.
 .B $Tt (read-only, TIME type)
 Equivalent to \fBtrigtime()\fR.
 .TP
-.B $TimeSep
+.B $TimeSep (STRING type)
 This variable can be set only to ":" or ".".  It holds the character
 used to separate portions of a time when \fBRemind\fR prints a TIME or
 DATETIME value.
diff --git a/src/globals.h b/src/globals.h
index 7bc35355..9f16e5ff 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -68,6 +68,7 @@ EXTERN  INIT(   int     PsCal, 0);
 EXTERN  INIT(   int     CalWidth, 80);
 EXTERN  INIT(   int     CalWeeks, 0);
 EXTERN  INIT(   int     CalMonths, 0);
+EXTERN  INIT(   char const *CalType, "none");
 EXTERN  INIT(   int     Hush, 0);
 EXTERN  INIT(   int     NextMode, 0);
 EXTERN  INIT(   int     InfiniteDelta, 0);
diff --git a/src/init.c b/src/init.c
index a41230ba..f86147c8 100644
--- a/src/init.c
+++ b/src/init.c
@@ -501,9 +501,11 @@ void InitRemind(int argc, char const *argv[])
                     break;
                 }
                 if (weeks) {
+                    CalType = "weekly";
                     PARSENUM(CalWeeks, arg);
                     if (!CalWeeks) CalWeeks = 1;
                 } else {
+                    CalType = "monthly";
                     PARSENUM(CalMonths, arg);
                     if (!CalMonths) CalMonths = 1;
                 }
@@ -528,9 +530,11 @@ void InitRemind(int argc, char const *argv[])
                     break;
                 }
                 if (weeks) {
+                    CalType = "weekly";
                     PARSENUM(CalWeeks, arg);
                     if (!CalWeeks) CalWeeks = 1;
                 } else {
+                    CalType = "monthly";
                     PARSENUM(CalMonths, arg);
                     if (!CalMonths) CalMonths = 1;
                 }
@@ -565,10 +569,12 @@ void InitRemind(int argc, char const *argv[])
                     arg++;
                 }
                 if (weeks) {
+                    CalType = "weekly";
                     PARSENUM(CalWeeks, arg);
                     if (!CalWeeks) CalWeeks = 1;
                     PsCal = PSCAL_LEVEL3;
                 } else {
+                    CalType = "monthly";
                     PARSENUM(CalMonths, arg);
                     if (!CalMonths) CalMonths = 1;
                 }
diff --git a/src/var.c b/src/var.c
index a7a8a407..831a92db 100644
--- a/src/var.c
+++ b/src/var.c
@@ -853,6 +853,7 @@ static SysVar SysVarArr[] = {
     {"August",         1,  TRANS_TYPE,   "August",             0,      0 },
     {"CalcUTC",        1,  INT_TYPE,     &CalculateUTC,        0,      1 },
     {"CalMode",        0,  INT_TYPE,     &DoCalendar,          0,      0 },
+    {"CalType",        0,  STR_TYPE,     &CalType,             0,      0 },
     {"Daemon",         0,  INT_TYPE,     &Daemon,              0,      0 },
     {"DateSep",        1,  SPECIAL_TYPE, date_sep_func,        0,      0 },
     {"DateTimeSep",    1,  SPECIAL_TYPE, datetime_sep_func,    0,      0 },
diff --git a/tests/test.cmp b/tests/test.cmp
index fe158c2b..fc301527 100644
--- a/tests/test.cmp
+++ b/tests/test.cmp
@@ -2743,6 +2743,7 @@ Variable  Value
                   $August  "August"
                  $CalcUTC  0           [0, 1]
                  $CalMode  0
+                 $CalType  "none"
                   $Daemon  0
                  $DateSep  "-"
              $DateTimeSep  "@"
@@ -24170,6 +24171,7 @@ $At
 $August
 $CalcUTC
 $CalMode
+$CalType
 $Daemon
 $DateSep
 $DateTimeSep