A world clock you can drag. Line your cities up on one hour grid and read the same moment in all of them at once.
Meridian shades every hour by the real sunrise and sunset in that city, and by whether the person there is working. Add the people you meet with and it will find the half hour everyone is awake for. No account, nothing to sign up for, and it works with the phone in flight mode.
Drag any row and they all move together. The column down the middle stays where it is, so whatever you drag to, you are reading the same moment in every city at once.
Each hour cell knows when the sun rises and sets in that city. The shading is the actual daylight there, worked out on the phone, to the minute, with no location permission and no network call.
White is inside their working day, grey is awake but off the clock, black is the middle of their night. One glance tells you whether the call you are about to send is a rude one.
The picker lists the whole world in timezone order, west to east, with the cities you actually mean at the top. Search by city, country or abbreviation: Delhi, IST, NYC.
The second tab is people rather than cities. Each one carries their own working hours and their own working days, and the row says plainly whether they are working, off hours or asleep at the moment you are looking at.
From there, Meridian walks the whole day in half hour steps and ranks every slot by how many of them are properly working, not merely conscious. Share the winner as plain text, or drop it into your calendar.
Names, avatars and each person's own working hours and working days.
Ranked by who is fully working, then by who is asleep. Share it as plain text in one tap.
Drop the slot you picked straight into your own calendar.
The free app keeps four rows. Pro takes the ceiling off.
Six app icons, seven highlight colours, and a row that can say more or less.
Picking an icon moves the accent to match it, and changing the accent afterwards leaves the icon where it is. Clock face, working hours and theme are free. The icon, the colour and the row density come with Pro.
The app icon follows the phone too: each of the six is drawn twice, once for the light home screen and once for the dark one.
Up to 4 cities
The grid, the scrubbing, the daylight shading, sharing a time, light and dark, and every accent and app icon. Yours for good, with no account and no advertising.
$9.99 once
Unlimited cities, the team tab, the slot finder and calendar handoff. One payment, not a subscription: it stays yours, on every device signed in to your Apple Account.
No account. Nothing to create, nothing to sign in to, nothing to recover.
No server. Your cities and your people stay on the phone. The app makes no network calls at all.
No tracking. No analytics, no advertising identifiers, nothing collected about you or the people you add.
Nothing is shared. You set a colleague's hours on their behalf. They are never contacted and never told.
Free to download, with Pro as an in-app purchase.