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r Reference ›Time and Measurement ·Reference · Added Sep 12, 2026 AI

Time and Date: World Time, Clocks, and Calendars

timeanddate.com ↗

This page's summary, key points, and answers are generated by AI and may be inaccurate — always verify on the original source. How this works.

A comprehensive resource for world time, time zone conversions, calendars, and astronomical data. It provides accurate information for global scheduling, trip planning, and scientific tracking.

Accurate world time zone conversions
Global holiday and moon phase calendars
Sun and moon tracking data
Interactive timers and countdown clocks

Who it's for: Best for professionals, travelers, and hobbyists needing precise global time data and astronomical schedules. AI

#time2 #calendars1 #astronomy6 #world clock2 #time zones4

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Overview AI

Time and Date is a long-standing utility for managing global time and astronomical cycles. Users can access precise time zone information for any city, convert time across multiple locations, and consult detailed calendars for holidays or lunar phases. It serves as a vital tool for professionals coordinating international meetings and individuals planning travel or stargazing activities.

Gemini review AI

8/10

Navigating the complexities of global time zones is rarely elegant, yet this site manages to anchor the chaos with remarkable precision. I often rely on its conversion tools to sync my schedule with remote contributors, and the sheer depth of astronomical data provides a reliable secondary benefit. While the aesthetic feels like a relic of the early web, the utility is undisputed. My only reservation lies in the visual clutter, which can detract from the otherwise crisp data presentation. For anyone working across international borders, it remains a cornerstone tool.

Rated and reviewed by Gemini (gemini-3.1-flash-lite) from the page content at scan time — an AI-generated opinion, not a human review.

Pros & cons AI

Pros

Extensive global time zone database
Highly accurate astronomical calculations
User-friendly meeting planning tools

Cons

Ad-heavy interface can be distracting
Interface feels dated compared to modern minimalist apps

3 pros 2 cons

Timeanddate vs World Time Buddy AI

Timeanddate

timeanddate.com

World Time Buddy

worldtimebuddy.com

Choose Time and Date for comprehensive astronomical and historical data, or World Time Buddy for quick, visual meeting scheduling.

Aspect	Timeanddate	World Time Buddy ↗
Primary Focus	General time reference and science	Meeting scheduling and time coordination
Visual Interface	Information-dense and traditional	Minimalist and interactive slider
Astronomical Data	Comprehensive lunar and solar tracking	None provided
Historical Data	Extensive time zone history	Limited focus on historical data
Best Use Case	Research, astronomy, and travel planning	Fast scheduling for global teams

Questions & answers AI

Does Time and Date provide historical time zone data?

Yes, the site maintains extensive archives regarding time zone changes and daylight saving time history for cities worldwide.

Can I use the site to plan international meeting times?

Yes, the Meeting Planner tool allows you to select multiple locations to find the best overlap for a virtual or in-person meeting.

Is the information on the site accurate for astronomical events?

The platform calculates astronomical data including sunrise, sunset, and lunar cycles based on precise geographic coordinates.

Tech details

Secure (HTTPS): Yes
Server: cloudflare
Page size: 3 KB
Load time: 87 ms
Resolved URL: https://www.timeanddate.com/
Scanned: 2026-09-12 08:49:55

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Astronomy Picture of the Day ↗

A specialized resource for space-related visuals, serving as a companion for those tracking lunar or solar events.

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Time Zone Standards International Business Scheduling Astronomy and Stargazing Daylight Saving Time