Dayhaps is a free online calendar for personal and business use. Where you can create, share and follow online calendars and send invitations to your friends!


Dayhaps B.V. is a startup company founded in the Netherlands and expanding to Sillicon Valley with users all over the world.


Because we believe a group calendar should be something simple. We love to build it and share it with everyone. Why the name Dayhaps? Well, Dayhaps comes from “Day Happenings”, where Haps stands for Happenings.


Dayhaps was founded by a guy who needed a simple solution himself. With a team of experienced developers he brought a new meaning of what really is a simple group calendar.

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