Time — This article is about the measurement. For the magazine, see Time (magazine). For other uses, see Time (disambiguation). The flow of sand in an hourglass can be used to keep track of elapsed time. It also concretely represents the present as… … Wikipedia
Geologic time scale — This clock representation shows some of the major units of geological time and definitive events of Earth history. The Hadean eon represents the time before fossil record of life on Earth; its upper boundary is now regarded as 4.0 Ga.[1] Other… … Wikipedia
Deep time — For other uses, see Deep time (disambiguation). Deep time is the concept that the Geologic time scale is vast because the Earth is very old. The modern philosophical concept was developed in the 18th century by Scottish geologist James Hutton… … Wikipedia
Decimal time — French decimal clock from the time of the French Revolution Decimal time is the representation of the time of day using units which are decimally related. This term is often used to refer specifically to French Revolutionary Time, which divides… … Wikipedia
Portal:Time — 08:58, November 24, 2011 (UTC) (update) WELCOME TO THE TIME PORTAL Time … Wikipedia
Phantom time hypothesis — The Phantom time hypothesis is a conspiracy theory developed by Heribert Illig (born 1947 in Vohenstrauß, Germany) in 1991. It proposes that there has been a systematic effort to make it appear that periods of history, specifically that of Europe … Wikipedia
Daylight saving time by country — See also: List of time zones by country Daylight Saving Time Countries as October 2011 & … Wikipedia
Daylight saving time in Romania — was originally introduced in 1932 (between May 22 and October 2). Between 1933 and 1940 DST started on the first Sunday in April and ended on the first Sunday in October. The DST was abandoned in 1941, to be reintroduced in 1979. Until 1996, with … Wikipedia
Calendar — For other uses, see Calendar (disambiguation). For the Gregorian calendar for this year, see Common year starting on Saturday. A page from the Hindu calendar 1871–1872. A calendar is a system of organizing days for social, religious, commercial,… … Wikipedia
Gregorian calendar — For the calendar of religious holidays and periods, see Liturgical year. For this year s Gregorian calendar, see Common year starting on Saturday. 2011 in other calendars Gregorian calendar 2011 MMXI … Wikipedia
Islamic calendar — Arabic calendar redirects here. For the Gregorian calendar in Arabic, see Arabic names of calendar months. This … Wikipedia
