DDDerien Dev Loginholidaysdev.hashnode.dev·Mar 30 · 4 min readBuilding a Dual-Purpose Web Calendar: Mastering Print CSS and Digital SyncsIf there is one universal truth in software development, it is that dealing with dates, times, and calendars is notoriously complex. Between time zones, leap years, and shifting regional holidays, bui00
DDDerien Dev Loginholidaysdev.hashnode.dev·Feb 27 · 6 min readYour Sprint Is Already Broken and You Do NotYou planned a perfect two-week sprint. Deadline: Friday, 27 March. Your Indian developer just messaged you that Holi is on March 25th. Sprint. Delayed. Not because of bad code. Not because of unclear 01R
DDDerien Dev Loginholidaysdev.hashnode.dev·Feb 10 · 3 min readI built a Dark Mode Holiday Calendar with Next.js because TimeAndDate was too clutteredBuilding a Clean, Ad-Free Holidays Calendar (Because the Internet Needed One) The Problem That Started It All Picture this: It's late 2025, and I'm trying to plan my time off for 2026. Simple task, right? Just look up the bank holidays and mark my ca...00
