Apologies if this issue has been presented before.  I found several similar items in the forums, but not quite the same as the others seem to involve other Zoho services.

I am using msync from my iPhone to sync mail and calendar with Zoho Mail.  The iPhone's timezone is configured to set automatically and has properly settled on "Chicago" when I am at home (in Dallas).  I have configured Zoho Mail Calendar to use "(GMT-05:00) Central Daylight Time (Americas/Chicago)."

When a calendar entry is created (either as an invitation from a 3rd-party or a new item created directly in Zoho Mail Calendar web interface), the even syncs as expected.  However, the Event Details in IOS show two different times, for example:

Monday, Jul 30, 2018

from 5 PM to 5:30 PM

from 4 PM to 4:30 PM (GMT-6)

Why is the GMT-6 timezone item showing?  Unfortunately, I have several users who are confused by it EVERY TIME, and it would be nice if I can massage it out of the display for them.