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diff --git a/module/calp/entry-points/html.scm b/module/calp/entry-points/html.scm
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+++ b/module/calp/entry-points/html.scm
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+(define-module (calp entry-points html)
+  :export (main)
+  :use-module (util)
+  :use-module (util time)
+  :use-module (util options)
+  :use-module (datetime)
+  :use-module (ice-9 getopt-long)
+  :use-module ((ice-9 regex) :select (string-match regexp-substitute))
+
+  :use-module ((srfi srfi-41) :select (stream-take stream-for-each))
+  :use-module ((html view calendar) :select (html-generate))
+  :use-module ((html view calendar week)
+               :select (render-calendar)
+               :renamer (lambda _ 'render-calendar-wide))
+  :use-module ((html view calendar month)
+               :select (render-calendar-table))
+  :use-module ((vcomponent instance methods)
+                :select (get-calendars get-event-set))
+
+  :use-module ((sxml simple) :select (sxml->xml))
+  :use-module ((sxml transformations) :select (href-transformer))
+
+  :autoload (vcomponent instance) (global-event-object)
+  )
+
+
+(define opt-spec
+  `((from (value #t) (single-char #\F)
+          (description "Start date of output.")
+          )
+    (count (value #t)
+           (description "How many pages should be rendered."
+                        "If --style=" (b "week") " and --from=" (b "2020-04-27")
+                        " then --count=" (b 4) " would render the four pages "
+                        "2020-04-27, 2020-05-04, 2020-05-11, and 2020-05-25. "
+                        "Defaults to 12 to give a whole year when --style=" (b "month") "."
+                        ))
+
+    (style (value #t) (predicate ,(lambda (v) (memv (string->symbol v)
+                                            '(wide week table))))
+           (description "How the body of the HTML page should be layed out. "
+                        (br) (b "week")
+                        " gives a horizontally scrolling page with 7 elements, "
+                        "where each has events graphically laid out hour by hour."
+                        (br) (b "table")
+                        " gives a month in overview as a table. Each block contains "
+                        "the events for the given day, in order of start time. They are "
+                        "however not graphically sized. "
+                        (br) (b "wide")
+                        " is the same as week, but gives a full month.")
+           )
+
+    (help (single-char #\h) (description "Print this help."))))
+
+
+
+;; file existing but is of wrong type,
+(define (create-files)
+  (let* ((dir (dirname (or (@ (global) basedir) ".")))
+         (html (string-append dir "/html"))
+         (link (string-append html "/static")))
+    (unless (file-exists? html)
+      (mkdir html))
+    (unless (file-exists? link)
+      (symlink "../static" link))))
+
+
+(define (get-filename start-date)
+  (format #f "~a/html/~a.xml"
+          (dirname (or (@ (global) basedir) "."))
+          (date->string start-date "~1")))
+
+(define (re-root-static tree)
+  (href-transformer
+   tree
+   (lambda (str)
+     (aif (string-match "^/static" str)
+          (regexp-substitute #f it 'pre "static" 'post)
+          str))))
+
+(define (common count start-date chunk-length
+                render-calendar . extra-args)
+
+  (define calendars (get-calendars global-event-object))
+  (define events (get-event-set global-event-object))
+
+  ((@ (util time) report-time!) "html start")
+
+  (create-files)
+
+  (stream-for-each
+   (lambda (start-date)
+     (define fname (get-filename start-date))
+     (format (current-error-port) "Writing to [~a]~%" fname)
+     (with-output-to-file fname
+       (lambda () (sxml->xml (re-root-static
+                         (apply html-generate
+                                calendars: calendars
+                                events: events
+                                next-start: (lambda (d) (date+ d chunk-length))
+                                prev-start: (lambda (d) (date- d chunk-length))
+                                start-date: start-date
+                                end-date: (remove-day (date+ start-date chunk-length))
+                                render-calendar: render-calendar
+                                extra-args))))))
+   (stream-take count (date-stream chunk-length start-date))
+   ))
+
+
+
+
+(define (main args)
+  (define opts (getopt-long args (getopt-opt opt-spec)))
+  (define start (cond [(option-ref opts 'from #f) => parse-freeform-date]
+                      [else (start-of-month (current-date))]))
+  (define count (string->number (option-ref opts 'count "12")))
+
+  (define style (string->symbol (option-ref opts 'style "wide")))
+
+  (when (option-ref opts 'help #f)
+    (print-arg-help opt-spec)
+    (throw 'return)
+    )
+
+  ;; TODO a number of links are wrong, since they point to .html files,
+  ;; while we save the documents as .xml.
+
+  (case style
+    [(wide)
+     (common count start (date month: 1) render-calendar-wide)]
+
+    [(week)
+
+     ;; TODO The small calendar is always centered on months, it might
+     ;; be a good idea to instead center it on the current week, meaning
+     ;; that the active row is always in the center
+     (common count (start-of-week start)
+             (date day: 7)
+             render-calendar-wide)]
+    [(table)
+
+     (common count (start-of-month start) (date month: 1)
+             render-calendar-table
+             pre-start: (start-of-week start)
+             post-end: (end-of-week (end-of-month start)))]
+    [else
+     (error "Unknown html style: ~a" style)])
+
+  ((@ (util time) report-time!) "all done")
+  )