Time

30 Boxes

Online calendar with an extensive list of features.

A Walk through Time

Presentation of the Physics Laboratory of the National Institutes of Standards and Technology on the evolution of time measurement and timekeeping, from ancient to modern times.

About Daylight Saving Time

The rationale, the history, and the dates that you should change your clock through the year 2099.

Atomic Clock Time

Provides atomic clock information and resources.

Aztec Calendar

Information about Aztec rituals and their calendar versions or date telling systems.

Calendar Date

Offers specifics to compare monthly calendars for the years between 1970 and 2030.

Calendar Zone

Provides a comprehensive collection of calendars containing countless correlating connections.

Daylight Savings Time

Offers a graphical presentation of time differences and the impact of Daylight Saving Time (DST).

Daylight Time

Designation of daylight savings time, when it begins and ends, and the history of this United States policy.

Gregorian-Hijri Dates Converter

Convert dates for the Islamic calendar.

HappyZebra

Time zones and time differences with distance calculator, US time zones and area codes plus air travel tools and calculations.

Hermetic System: Calendar Studies

Contains presentations on the different calendar systems, types, and date formats.

International Standard Date and Time Notation

Information on the standard notation that helps to avoid confusion in international communication caused by the many different national notations.

Leap Year

Explains why a leap year is needed and which years are leap years.

Light of Day

Discussion of the daylight saving time tackling affirmations and oppositions to it.

W3C Date and Time Formats

Defines a profile of ISO 8601, the International Standard for the representation of dates and times.

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