Timeis

Features

• Current time in multiple formats: Locale, ISO 8601, RFC 3339, UTC, Date Only, Time Only
• Current Unix timestamp with one-click copy
• World clock — New York, London, Dubai, Tokyo (auto-updates every second)
• Year progress bar with day-of-year and week number
• Date calculator — difference between two dates; add/subtract years/months/weeks/days
• Lunar calendar — Gregorian to Chinese lunar with GanZhi year, solar terms, and festivals
• Timestamp converter — Unix ↔ local/UTC datetime; code reference for multiple languages
• Available in 4 languages

About

Timeis is an online datetime utility that consolidates several commonly needed time-related features into one app. The current time display shows the date and time in six selectable formats (locale, ISO 8601, RFC 3339, UTC, date-only, time-only) alongside a live Unix timestamp. The world clock shows the current time in New York, London, Dubai, and Tokyo, updating every second. The year progress section shows a visual progress bar, the day of the year, and the current week number. The date calculator computes the difference between two dates or adds and subtracts durations (years, months, weeks, days) from a base date. The lunar calendar module converts any Gregorian date to the Chinese lunar calendar, including the GanZhi year name, solar terms, and traditional festivals. The timestamp converter handles bidirectional conversion between Unix timestamps and both local and UTC datetime, and provides copy-ready code snippets for generating timestamps in popular programming languages.