diff options
| author | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-04-20 02:14:28 +0200 |
|---|---|---|
| committer | Hugo Hörnquist <hugo@lysator.liu.se> | 2020-04-20 02:14:28 +0200 |
| commit | b5f169643731434d666f6f515bc3e4b4ed5ec662 (patch) | |
| tree | 7a3e946dac521da57e943e08183d1a2032af8e91 | |
| parent | Improve some errors. (diff) | |
| download | calp-b5f169643731434d666f6f515bc3e4b4ed5ec662.tar.gz calp-b5f169643731434d666f6f515bc3e4b4ed5ec662.tar.xz | |
Add year-day function.
| -rw-r--r-- | module/datetime/util.scm | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/module/datetime/util.scm b/module/datetime/util.scm index da204f22..57b2acf4 100644 --- a/module/datetime/util.scm +++ b/module/datetime/util.scm @@ -307,6 +307,10 @@ (* 12 (year diff))) (month-stream start-date))))))) +(define-public (year-day date) + (days-in-interval (start-of-year date) date)) + + ;; @example ;; (time->decimal-hour #10:30:00) ; => 10.5 ;; @end example |