diff --git a/lib/workers/branch/schedule.js b/lib/workers/branch/schedule.js
index 714de6d3e0b1d67feccdaf72c11b3092c88ef7de..6e7137cc0a866ee64032ad208b7e5e591c21a595 100644
--- a/lib/workers/branch/schedule.js
+++ b/lib/workers/branch/schedule.js
@@ -53,7 +53,10 @@ function hasValidSchedule(schedule) {
 
 function isScheduledNow(config) {
   let configSchedule = config.schedule;
-  logger.debug({ schedule: configSchedule }, `Checking schedule`);
+  logger.debug(
+    { schedule: configSchedule, timezone: config.timezone },
+    `Checking schedule`
+  );
   if (
     !configSchedule ||
     configSchedule.length === 0 ||
@@ -77,11 +80,13 @@ function isScheduledNow(config) {
   logger.debug(`now=${now.format()}`);
   // Adjust the time if repo is in a different timezone to renovate
   if (config.timezone) {
+    logger.debug({ timezone: config.timezone }, 'Found timezone');
     const [validTimezone, error] = hasValidTimezone(config.timezone);
     if (!validTimezone) {
       logger.warn(error);
       return true;
     }
+    logger.debug('Adjusting now for timezone');
     now = now.tz(config.timezone);
     logger.debug(`now=${now.format()}`);
   }