Astro binding 0.9.0.201707190720 is shifting event triggers

Since updating to #988 I’m seeing weird behavior for the sunrise channel triggers.

On consecutive days the event trigger shifts 60-120 minutes from one day to the next:

2017-07-22:

2017-07-22 00:00:00.437 [INFO ] [thome.binding.astro.internal.job.Job] - Scheduled Astro event-jobs for thing astro:sun:wss3
2017-07-22 00:00:00.653 [DEBUG] [ding.astro.handler.AstroThingHandler] - Scheduled Sun phase job astro:sun:wss3/SUN_RISE in 19919348ms (at 2017-07-22T05:32:00)

2017-07-22 07:02:25.282 [ChannelTriggeredEvent ] - astro:sun:wss3:rise#event triggered START

2017-07-23:
unfortunately logs missing due to rebooting server

2017-07-24:

2017-07-24 06:42:07.226 [ChannelTriggeredEvent ] - astro:sun:wss3:rise#event triggered START

2017-07-25:

2017-07-25 07:37:57.059 [ChannelTriggeredEvent ] - astro:sun:wss3:rise#event triggered START

I have no earliest/latest or offsets defined, the things are defined through PaperUI.
Astro binding: 187 | Active | 80 | 0.9.0.201707190720 | Astro Binding