Common Issues general

Dates and Times Showing Wrong in My App

Dates and times in your app show incorrect values. Events show the wrong day, timestamps are off by several hours, or the same date shows differently in different parts of the app. This is confusing for users and can break time-sensitive features like bookings or deadlines.

Common Causes

  • Timezone handling — server stores UTC but the app displays UTC instead of the user's local time
  • JavaScript Date parsing inconsistencies across browsers
  • Database stores dates as strings instead of proper date types
  • Date formatting differs between server and client
  • Daylight saving time not accounted for

How to Fix It

  1. Check if dates are stored as UTC in the database (they should be)
  2. Make sure the frontend converts UTC dates to the user's local timezone for display
  3. Use a date library (date-fns, dayjs, luxon) instead of raw JavaScript Date
  4. Be consistent with date formats throughout the app
  5. Test with users in different timezones to verify correct display

Real developers can help you.

Luca Liberati Luca Liberati I work on monoliths and microservices, backends and frontends, manage K8s clusters and love to design apps architecture Matt Butler Matt Butler Software Engineer @ AWS zipking zipking I am a technologist and product builder dedicated to creating high-impact solutions at the intersection of AI and specialized markets. Currently, I am focused on PropScan (EstateGuard), an AI-driven SaaS platform tailored for the Japanese real estate industry, and exploring the potential of Archify. As an INFJ-T, I approach development with a "systems-thinking" mindset—balancing technical precision with a deep understanding of user needs. I particularly enjoy the challenge of architecting Vertical AI SaaS and optimizing Small Language Models (SLMs) to solve specific, real-world business problems. Whether I'm in a CTO-level leadership role or hands-on with the code, I thrive on building tools that turn complex data into actionable value. prajwalfullstack prajwalfullstack Hi Im a full stack developer, a vibe coded MVP to Market ready product, I'm here to help Bastien Labelle Bastien Labelle Full stack dev w/ 20+ years of experience Kingsley Omage Kingsley Omage Fullstack software engineer passionate about AI Agents, blockchain, LLMs. ISHANTDEEP SINGH ISHANTDEEP SINGH Senior Software Engineer with 7+ years of experience in React, JavaScript, TypeScript, Next.js, and Node.js. I’ve also worked as a tech lead for startups, owning end-to-end technical execution including architecture, development, scaling, and delivery. I bring a strong mix of hands-on coding, product thinking, and technical leadership, and I’m comfortable building products from scratch as well as improving and scaling existing systems. Taufan Taufan I’m a product-focused engineer and tech leader who builds scalable systems and turns ideas into production-ready platforms. Over the past years, I’ve worked across startups and fast-moving teams, leading backend architecture, improving system reliability, and shipping products used by thousands of users. My strength is not just writing code — but connecting product vision, technical execution, and business impact. Caio Rodrigues Caio Rodrigues I'm a full-stack developer focused on building practical and scalable web applications. My main experience is with **React, TypeScript, and modern frontend architectures**, where I prioritize clean code, component reusability, and maintainable project structures. I have strong experience working with **dynamic forms, state management (Redux / React Hook Form), and complex data-driven interfaces**. I enjoy solving real-world problems by turning ideas into reliable software that companies can actually use in their daily operations. Beyond coding, I care about **software quality and architecture**, following best practices for componentization, code organization, and performance optimization. I'm also comfortable working across the stack when needed, integrating APIs, handling business logic, and helping transform prototypes into production-ready systems. My goal is always to deliver solutions that are **simple, efficient, and genuinely useful for the people using them.** Antriksh Narang Antriksh Narang 5 years+ Experienced Dev (Specially in Web Development), can help in python, javascript, react, next.js and full stack web dev technologies.

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Frequently Asked Questions

Events show one day off for some users. Why?

This is almost always a timezone issue. Dates stored as UTC might display as the previous or next day depending on the user's timezone.

Can a developer fix all the date issues at once?

Yes. A developer can standardize date storage (UTC), add proper timezone conversion for display, and use a consistent date formatting library throughout the app.

Related Common Issues Issues

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