diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5b6883b1..07e4707f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -26,6 +26,7 @@ set (PACKAGE_NAME "${PACKAGE}")
 set (PACKAGE_TARNAME "${PACKAGE}")
 set (PACKAGE_VERSION "${VERSION}")
 set (PACKAGE_STRING "${PACKAGE} ${VERSION}")
+string (TIMESTAMP PACKAGE_DATE "%Y-%m-%d")
 
 if (FREEBSD OR DRAGONFLY)
 SET (TIMEW_MAN1DIR man/man1 CACHE STRING "Installation directory for man pages, section 1")
diff --git a/doc/man/timew-annotate.1.in b/doc/man/timew-annotate.1.in
index 0f72e7a6..203f03b8 100644
--- a/doc/man/timew-annotate.1.in
+++ b/doc/man/timew-annotate.1.in
@@ -1,4 +1,4 @@
-.TH timew-annotate 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-annotate 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-annotate \- add an annotation to intervals
diff --git a/doc/man/timew-cancel.1.in b/doc/man/timew-cancel.1.in
index 836d0128..cb347c81 100644
--- a/doc/man/timew-cancel.1.in
+++ b/doc/man/timew-cancel.1.in
@@ -1,4 +1,4 @@
-.TH timew-cancel 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-cancel 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-cancel \- cancel time tracking
diff --git a/doc/man/timew-config.1.in b/doc/man/timew-config.1.in
index d3490b1c..0abcb4db 100644
--- a/doc/man/timew-config.1.in
+++ b/doc/man/timew-config.1.in
@@ -1,4 +1,4 @@
-.TH timew-config 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-config 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-config \- get and set Timewarrior configuration
diff --git a/doc/man/timew-config.7.in b/doc/man/timew-config.7.in
index e9e71f91..26a0dcad 100644
--- a/doc/man/timew-config.7.in
+++ b/doc/man/timew-config.7.in
@@ -1,10 +1,10 @@
-.TH timew-config 7 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-config 7 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-config \- Timewarrior configuration file an override options
 .
 .SH SYNOPSIS
-.B timew rc.<name>=<value> <command>
+.BI "timew rc." <name> = "<value> <command>"
 .
 .SH DESCRIPTION
 Timewarrior stores its configuration in a file in the user's home directory:
diff --git a/doc/man/timew-continue.1.in b/doc/man/timew-continue.1.in
index dad8b413..2efd92bd 100644
--- a/doc/man/timew-continue.1.in
+++ b/doc/man/timew-continue.1.in
@@ -1,4 +1,4 @@
-.TH timew-continue 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-continue 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-continue \- resume tracking of existing interval
diff --git a/doc/man/timew-dates.7.in b/doc/man/timew-dates.7.in
index 05337259..9ab4e3a5 100644
--- a/doc/man/timew-dates.7.in
+++ b/doc/man/timew-dates.7.in
@@ -1,4 +1,4 @@
-.TH timew-dates 7 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-dates 7 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-dates \- date formats supported by Timewarrior
diff --git a/doc/man/timew-day.1.in b/doc/man/timew-day.1.in
index 2763d014..6b4eb475 100644
--- a/doc/man/timew-day.1.in
+++ b/doc/man/timew-day.1.in
@@ -1,4 +1,4 @@
-.TH timew-day 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-day 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-day \- display day chart
diff --git a/doc/man/timew-delete.1.in b/doc/man/timew-delete.1.in
index 2e59b2f0..d2d05a8e 100644
--- a/doc/man/timew-delete.1.in
+++ b/doc/man/timew-delete.1.in
@@ -1,4 +1,4 @@
-.TH timew-delete 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-delete 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-delete \- delete intervals
diff --git a/doc/man/timew-diagnostics.1.in b/doc/man/timew-diagnostics.1.in
index 44d96370..cb93b215 100644
--- a/doc/man/timew-diagnostics.1.in
+++ b/doc/man/timew-diagnostics.1.in
@@ -1,4 +1,4 @@
-.TH timew-diagnostics 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-diagnostics 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-diagnostics \- show diagnostic information
diff --git a/doc/man/timew-dom.7.in b/doc/man/timew-dom.7.in
index d4ca27d9..9fa35266 100644
--- a/doc/man/timew-dom.7.in
+++ b/doc/man/timew-dom.7.in
@@ -1,4 +1,4 @@
-.TH timew-dom 7 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-dom 7 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-dom \- Timewarrior DOM
diff --git a/doc/man/timew-durations.7.in b/doc/man/timew-durations.7.in
index a4318513..8ebfa71b 100644
--- a/doc/man/timew-durations.7.in
+++ b/doc/man/timew-durations.7.in
@@ -1,4 +1,4 @@
-.TH timew-durations 7 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-durations 7 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-durations \- duration formats supported by Timewarrior
diff --git a/doc/man/timew-export.1.in b/doc/man/timew-export.1.in
index c340603c..c1537bf3 100644
--- a/doc/man/timew-export.1.in
+++ b/doc/man/timew-export.1.in
@@ -1,4 +1,4 @@
-.TH timew-export 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-export 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-export \- export tracked time in JSON
diff --git a/doc/man/timew-extensions.1.in b/doc/man/timew-extensions.1.in
index 5ccab6ea..c972af2b 100644
--- a/doc/man/timew-extensions.1.in
+++ b/doc/man/timew-extensions.1.in
@@ -1,4 +1,4 @@
-.TH timew-extensions 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-extensions 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-extension \- list available extensions
diff --git a/doc/man/timew-fill.1.in b/doc/man/timew-fill.1.in
index 89f4cb29..8b6b0680 100644
--- a/doc/man/timew-fill.1.in
+++ b/doc/man/timew-fill.1.in
@@ -1,4 +1,4 @@
-.TH timew-fill 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-fill 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-fill \- adjust intervals to fill in surrounding gaps
diff --git a/doc/man/timew-gaps.1.in b/doc/man/timew-gaps.1.in
index f2e8aecb..061c4630 100644
--- a/doc/man/timew-gaps.1.in
+++ b/doc/man/timew-gaps.1.in
@@ -1,4 +1,4 @@
-.TH timew-gaps 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-gaps 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-gaps \- display time tracking gaps
diff --git a/doc/man/timew-get.1.in b/doc/man/timew-get.1.in
index b48475f0..f0f38649 100644
--- a/doc/man/timew-get.1.in
+++ b/doc/man/timew-get.1.in
@@ -1,4 +1,4 @@
-.TH timew-get 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-get 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-get \- display DOM values
diff --git a/doc/man/timew-help.1.in b/doc/man/timew-help.1.in
index 119a0810..ef626ca7 100644
--- a/doc/man/timew-help.1.in
+++ b/doc/man/timew-help.1.in
@@ -1,4 +1,4 @@
-.TH timew-help 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-help 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-help \- display help
diff --git a/doc/man/timew-hints.7.in b/doc/man/timew-hints.7.in
index d9eeadbe..df6a0448 100644
--- a/doc/man/timew-hints.7.in
+++ b/doc/man/timew-hints.7.in
@@ -1,4 +1,4 @@
-.TH timew-hints 7 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-hints 7 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-hints \- Timewarrior hints
diff --git a/doc/man/timew-join.1.in b/doc/man/timew-join.1.in
index 5c620842..d6f0614d 100644
--- a/doc/man/timew-join.1.in
+++ b/doc/man/timew-join.1.in
@@ -1,4 +1,4 @@
-.TH timew-join 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-join 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-join \- join intervals
diff --git a/doc/man/timew-lengthen.1.in b/doc/man/timew-lengthen.1.in
index 01059e53..fc3449f7 100644
--- a/doc/man/timew-lengthen.1.in
+++ b/doc/man/timew-lengthen.1.in
@@ -1,4 +1,4 @@
-.TH timew-lengthen 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-lengthen 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-lengthen \- lengthen intervals
diff --git a/doc/man/timew-modify.1.in b/doc/man/timew-modify.1.in
index 4a1c9591..ddfa699c 100644
--- a/doc/man/timew-modify.1.in
+++ b/doc/man/timew-modify.1.in
@@ -1,4 +1,4 @@
-.TH timew-modify 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-modify 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-modify \- change start or end date of an interval
@@ -25,7 +25,7 @@ For example, show the IDs:
 .PP
 Then having selected '@3' as the interval you wish to modify:
 .
-  $ timew modify end @3 2018-02-03T17:00:00
+  $ timew modify end @3 "${PACKAGE_DATE}"T17:00:00
 .
 .SH "SEE ALSO"
 .BR timew-lengthen (1),
diff --git a/doc/man/timew-month.1.in b/doc/man/timew-month.1.in
index 80577a03..a09815e8 100644
--- a/doc/man/timew-month.1.in
+++ b/doc/man/timew-month.1.in
@@ -1,4 +1,4 @@
-.TH timew-month 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-month 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-month \- display month chart
diff --git a/doc/man/timew-move.1.in b/doc/man/timew-move.1.in
index 47abde33..816cf72d 100644
--- a/doc/man/timew-move.1.in
+++ b/doc/man/timew-move.1.in
@@ -1,4 +1,4 @@
-.TH timew-move 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-move 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-move \- change interval start-time
diff --git a/doc/man/timew-ranges.7.in b/doc/man/timew-ranges.7.in
index 1b7f6d1b..ecce9a2a 100644
--- a/doc/man/timew-ranges.7.in
+++ b/doc/man/timew-ranges.7.in
@@ -1,7 +1,8 @@
-.TH timew-ranges 7 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-ranges 7 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-ranges \- date and time ranges supported by Timewarrior
+.
 .SH SYNOPSIS
 .
 .SH DESCRIPTION
diff --git a/doc/man/timew-report.1.in b/doc/man/timew-report.1.in
index de8b322a..7fcaca00 100644
--- a/doc/man/timew-report.1.in
+++ b/doc/man/timew-report.1.in
@@ -1,4 +1,4 @@
-.TH timew-report 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-report 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-report \- run an extension report
diff --git a/doc/man/timew-resize.1.in b/doc/man/timew-resize.1.in
index d5ee1fb7..9bb1fed3 100644
--- a/doc/man/timew-resize.1.in
+++ b/doc/man/timew-resize.1.in
@@ -1,4 +1,4 @@
-.TH timew-resize 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-resize 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-resize \- set interval duration
diff --git a/doc/man/timew-shorten.1.in b/doc/man/timew-shorten.1.in
index b8d47397..9fdfe4a3 100644
--- a/doc/man/timew-shorten.1.in
+++ b/doc/man/timew-shorten.1.in
@@ -1,4 +1,4 @@
-.TH timew-shorten 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-shorten 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-shorten \- shorten intervals
diff --git a/doc/man/timew-show.1.in b/doc/man/timew-show.1.in
index 0d22ca11..cf83a30a 100644
--- a/doc/man/timew-show.1.in
+++ b/doc/man/timew-show.1.in
@@ -1,4 +1,4 @@
-.TH timew-show 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-show 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-show \- display configuration
diff --git a/doc/man/timew-split.1.in b/doc/man/timew-split.1.in
index 80db693a..69f480be 100644
--- a/doc/man/timew-split.1.in
+++ b/doc/man/timew-split.1.in
@@ -1,4 +1,4 @@
-.TH timew-split 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-split 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-split \- split intervals
diff --git a/doc/man/timew-start.1.in b/doc/man/timew-start.1.in
index ed6dcd58..94cc97b2 100644
--- a/doc/man/timew-start.1.in
+++ b/doc/man/timew-start.1.in
@@ -1,4 +1,4 @@
-.TH timew-start 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-start 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-start \- start time tracking
diff --git a/doc/man/timew-stop.1.in b/doc/man/timew-stop.1.in
index 0048f1eb..f480d821 100644
--- a/doc/man/timew-stop.1.in
+++ b/doc/man/timew-stop.1.in
@@ -1,4 +1,4 @@
-.TH timew-stop 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-stop 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-stop \- stop time tracking
diff --git a/doc/man/timew-summary.1.in b/doc/man/timew-summary.1.in
index 68aabcbe..55008955 100644
--- a/doc/man/timew-summary.1.in
+++ b/doc/man/timew-summary.1.in
@@ -1,4 +1,4 @@
-.TH timew-summary 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-summary 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-summary \- display a time-tracking summary
diff --git a/doc/man/timew-tag.1.in b/doc/man/timew-tag.1.in
index 76d8d7e0..c75d833e 100644
--- a/doc/man/timew-tag.1.in
+++ b/doc/man/timew-tag.1.in
@@ -1,4 +1,4 @@
-.TH timew-tag 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-tag 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-tag \- add tags to intervals
diff --git a/doc/man/timew-tags.1.in b/doc/man/timew-tags.1.in
index 5b37f175..85ab0aa8 100644
--- a/doc/man/timew-tags.1.in
+++ b/doc/man/timew-tags.1.in
@@ -1,4 +1,4 @@
-.TH timew-tags 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-tags 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-tags \- display a list of tags
diff --git a/doc/man/timew-track.1.in b/doc/man/timew-track.1.in
index 86452a1d..9d6f6b46 100644
--- a/doc/man/timew-track.1.in
+++ b/doc/man/timew-track.1.in
@@ -1,4 +1,4 @@
-.TH timew-track 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-track 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-track \- add intervals to the database
diff --git a/doc/man/timew-undo.1.in b/doc/man/timew-undo.1.in
index 0808b639..e79b89b8 100644
--- a/doc/man/timew-undo.1.in
+++ b/doc/man/timew-undo.1.in
@@ -1,4 +1,4 @@
-.TH timew-undo 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-undo 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-undo \- revert Timewarrior commands
diff --git a/doc/man/timew-untag.1.in b/doc/man/timew-untag.1.in
index 79d4eba6..e584f3f1 100644
--- a/doc/man/timew-untag.1.in
+++ b/doc/man/timew-untag.1.in
@@ -1,4 +1,4 @@
-.TH timew-untag 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-untag 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-untag \- remove tags from intervals
diff --git a/doc/man/timew-week.1.in b/doc/man/timew-week.1.in
index b8d1c936..9e56322f 100644
--- a/doc/man/timew-week.1.in
+++ b/doc/man/timew-week.1.in
@@ -1,4 +1,4 @@
-.TH timew-week 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew-week 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew-week \- display week chart
diff --git a/doc/man/timew.1.in b/doc/man/timew.1.in
index fcb7a173..12155a3b 100644
--- a/doc/man/timew.1.in
+++ b/doc/man/timew.1.in
@@ -1,4 +1,4 @@
-.TH timew 1 2018-02-03 "${PACKAGE_STRING}" "User Manuals"
+.TH timew 1 "${PACKAGE_DATE}" "${PACKAGE_STRING}" "User Manuals"
 .
 .SH NAME
 timew \- A command line time tracker.