Two timelines in one Aeon project

I am considering a story told on Earth about a creature transported here via a portal where his world would have a different calendar and timeline. My guess is you can’t, may have to create two timelines and run side by side and change color of the event to mark whether it occurs on Earth or this other world.
And I guess there is not a way to drag an event from one timeline to another either.
My best guess is mark the events on one timeline and refer to the other timeline for details.
Could you integrate two different Aeon timelines into one Scrivener Project? (My guess no)

If you have a universal time for both worlds, that would be a perfect use case for story arcs.

For two different calendars, there are currently only workarounds, which are suggested and discussed elsewhere in this forum. Here, for example:

This is an oft-discussed item on many wish lists, to be sure.

AT3 doesn’t support parallel timelines where each calendar is based on a different system (i.e. Gregorian and non-Gregorian).

I imagine it’s a pretty tough thing to get right, from a software development point of view. If you have some time, check out Brainstorming multiple calendars - Feature Requests - Aeon Timeline

may have to create two timelines and run side by side and change color of the event to mark whether it occurs on Earth or this other world.

Are you thinking you can do this in the same AT3 project, or are you thinking of running two projects?

And I guess there is not a way to drag an event from one timeline to another either.

While you can have multiple instances of the Timeline view (split windows), it’s still the same Timeline. So dragging from one to the other isn’t really a thing. If you try to do that within the same instance of AT3, it won’t let you. You’ll get a warning that the item already exists. I’ve never tried dragging from one instance of AT3 to another, but I doubt that would work, either. [Update: Per @AeonRob below, while we can’t drag events from one instance of AT3 to another, we can copy and paste them. That’s pretty cool.]

My best guess is mark the events on one timeline and refer to the other timeline for details.

It’s hard to say. I’m not sure what you mean by “one timeline” and “the other timeline.” But sure, experiment to find a workable solution. AT3 is surprisingly flexible.

Could you integrate two different Aeon timelines into one Scrivener Project? (My guess no)

Still not sure what you mean by “two different Aeon timelines.” The only allowable meaning of “two different Aeon timelines” would be two AT3 projects. But even there, no, you can’t sync multiple timelines into one Scrivener project.

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I played around and here is a thought with Calendar Markers which you can color. So have a different color for a different timeline and place years in the future, not matter as long as outside current timeline. Now place marker and create events with a different color and place title and add New World timeline inside the title. I am trying to figure out constraints so events go forward. I think it may not matter as long as date in title and events in the second world are ordered narrative wise and chronologically in Aeon with the Scifi calendar defined in Scrivener and placed in titles so could simulate two timeline in the Timeline view and do Narrative view with different colors representing two different worlds. Will not be perfect for subway views and could use related too to signal a connection between worlds on relationships. Just Brainstorming too.

Sure, that’s a creative approach.

I wonder if you could just place all the events, meaning the events of both worlds, in the usual contiguous way in the Timeline/Spreadsheet views and use filtering (perhaps by tags), item type selections, or even colors to denote which events are happening on each world? (Of course, you know what works best for you.)

I don’t know if this will factor into your thinking, but the forthcoming AT3.5 will be in beta soon. You’ll be able to view either the chronological view or the narrative view of events in the timeline view, subway view, or relationship view. So this could open up some possibilities for you. Perhaps you could join the beta group.

That would help. I used a spaced approach with calendar markers to pop to each timeline area and use different colors. You could set up constraints off event 2 x days after event 1 to simulate time distance in a scifi world and label. Or you slice events into the timeline and give off earth events a different color per world and put the world’s individual calendar in the Summary and would appear in the Narrative view if check summary box under properties. Spitballing, the story that would need this still in the research stage, while finishing final edits before trying to find agent on my horror novel The Earth Guardian
Lies in the Shadow

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I’ve just got one small thing to add here. It’s not quite as convenient as dragging and dropping, but you can copy and paste events between timelines.

Basic info like the event label, dates, and summary will all copy over, but the relationships assigned to it won’t, and would need to be relinked.

That’s good to know.

Copy/paste between two instances via the Windows clipboard works with AT2.
This even works between timelines with different calendar definitions.