diff --git a/awoobot.rkt b/awoobot.rkt
index dfa0b05..e632a0f 100755
--- a/awoobot.rkt
+++ b/awoobot.rkt
@@ -55,7 +55,7 @@
 
 (define (schedule-next)
   (define now (current-date/utc))
-  (define now-jd (date->jd now))
+  (define now-jd (+ 0.5 (date->jd now)))
   (define DT (dynamical-delta-t (date-year now)))
   (define fullmoon-jd (- (lunar-next-phase now-jd 'full)
                          (/ DT 86400)))