--- title: Migration of Android App from Java Time API to Kotlin Time description: Migrating from Java Time API to Kotlin Time in Android apps offers cleaner syntax, multiplatform support, and JDK version independence. The migration involves... canonical: https://daily.dev/posts/migration-of-android-app-from-java-time-api-to-kotlin-time-7f9sg4uyl twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: Migration of Android App from Java Time API to Kotlin Time | daily.dev og:description: Migrating from Java Time API to Kotlin Time in Android apps offers cleaner syntax, multiplatform support, and JDK version independence. The migration involves... og:url: https://daily.dev/posts/migration-of-android-app-from-java-time-api-to-kotlin-time-7f9sg4uyl og:image: https://api.daily.dev/og/posts/7f9sG4uyl.png og:image:alt: Migration of Android App from Java Time API to Kotlin Time og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Migration of Android App from Java Time API to Kotlin Time **[ProAndroidDev](https://daily.dev/sources/pand)** · 8 min read · 0 upvotes · 0 comments ## Summary Migrating from Java Time API to Kotlin Time in Android apps offers cleaner syntax, multiplatform support, and JDK version independence. The migration involves replacing similar classes like Instant, Duration, and LocalDateTime incrementally using compatibility APIs (toKotlin*/toJava*). Key differences include Kotlin Time's intentional separation of instant time from local time, eliminating OffsetDateTime and ZonedDateTime to reduce complexity. Use static analysis tools like Detekt's ForbiddenImport rule to track migration progress and prevent new Java Time usage. Most migrations can be straightforward, though some edge cases around date periods and timezone handling require deeper understanding of both APIs. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Kotlin Weekly \#484](https://daily.dev/posts/kotlin-weekly-484-k13jz5pcy) · Kotlin Weekly · 0 upvotes · 0 comments - [Stop Using Java When Kotlin Exists](https://daily.dev/posts/stop-using-java-when-kotlin-exists-ib2r2pgex) · Atomic Spin · 34 upvotes · 8 comments - [Intro to Date-to-Instant and Instant-to-Date Converters](https://daily.dev/posts/intro-to-date-to-instant-and-instant-to-date-converters-dtlidqp8m) · Baeldung · 0 upvotes · 0 comments - [Evaluating Kotlin in Real Projects](https://daily.dev/posts/evaluating-kotlin-in-real-projects-4hvtaptzn) · JetBrains · 4 upvotes · 0 comments - [Kotlin 2.3.0: Nested Type Aliases, Return in Expression Bodies, JDK 25 Support, and More](https://daily.dev/posts/kotlin-2-3-0-nested-type-aliases-return-in-expression-bodies-jdk-25-support-and-more-mpxtmklrx) · SoftwareMill · 1 upvotes · 0 comments --- Tags: [#java](https://daily.dev/tags/java), [#android](https://daily.dev/tags/android), [#kotlin](https://daily.dev/tags/kotlin) [View this post on daily.dev](https://daily.dev/posts/migration-of-android-app-from-java-time-api-to-kotlin-time-7f9sg4uyl) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"Migration of Android App from Java Time API to Kotlin Time","url":"https://daily.dev/posts/migration-of-android-app-from-java-time-api-to-kotlin-time-7f9sg4uyl","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/migration-of-android-app-from-java-time-api-to-kotlin-time-7f9sg4uyl"},"datePublished":"2026-01-19T15:21:12.496Z","dateModified":"2026-01-19T15:21:35.728Z","description":"Migrating from Java Time API to Kotlin Time in Android apps offers cleaner syntax, multiplatform support, and JDK version independence. 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