City-aware PTO optimizer with block/prefer day constraints

Show HN: City-aware PTO optimizer with block/prefer day constraints

City-aware PTO optimizer with block/prefer day constraints is active in the show hn launch space.

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Correct link is here → https://somniaplanner.com/en/barcelona/2026.I built SomniaPlanner, a web app that maximizes your time off by aligning PTO with city-level public holidays and weekends.What’s different: (1) you can mark block (must-work) and prefer (must-take) days as hard constraints—the optimizer must satisfy them. (2) A linear calendar view for planning fans.Why: this was a first step toward a parental-leave planner for Spain; PTO planning lets me validate the constraint UX and solver.How: a client-side dynamic programming algorithm enumerates feasible ranges and scores them by days-off/PTO, with a small balance term to trade off one long streak versus several shorter breaks. Runs fu

Within the show hn launch space, the company focuses on its core offering rather than a broad product line.

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Website: somniaplanner.com/en/barcelona/2026