astronomical year造句

• They use the floor function and astronomical year numbering for years BC.
• ISO 8601 uses astronomical year numbering which includes a year 0 and negative numbers before it.
• There is a year 0 however in the astronomical year numbering and in the ISO 8601 : 2004.
• Before 1 CE use astronomical years rather than years BCE . The astronomical year is ( year BCE )-1.
• Before 1 CE use astronomical years rather than years BCE . The astronomical year is ( year BCE )-1.
• Astronomical year numbering and ISO 8601 avoid words or abbreviations related to Christianity, but use the same numbers for AD years.
• The rule can be applied to years before the Gregorian reform ( the proleptic Gregorian calendar ), if astronomical year numbering is used.
• This means that calendars are based on astronomical years ( which are regular enough to be easily measured ) as surrogates for the seasonal year.
• However, there is a year zero in astronomical year numbering ( where it coincides with the Julian year ) and in Buddhist and Hindu calendars.
• Numerical signs effectively form a new era, reducing the confusion inherent in any date which uses an astronomical year with an era named Before Christ.
• In 1627, the German astronomer Johannes Kepler first used an astronomical year which was to become year zero in his " Rudolphine Tables ".
• However, there is a year zero in astronomical year numbering ( where it coincides with the Julian year 1 BC ) and in Buddhist and Hindu calendars.
• But other descriptions state that the leap year was unknown to the Aztecs and that the correlation of the months to the astronomical year would change over time.
• ISO 8601 : 2004 ( and previously ISO 8601 : 2000, but not ISO 8601 : 1988 ) explicitly uses astronomical year numbering in its date reference systems.
• Because the astronomical year is slightly shorter than 365.25 days, the date of " Birkat Hachama " shifts away from the spring equinox as history proceeds.
• For the year ( Y ) astronomical year numbering is used, thus 1 BC is 0, 2 BC is  " 1, and 4713 BC is  " 4712.
• In astronomy, the Julian year is a unit of time; it is defined as 365.25 days of exactly seconds ( SI base unit ), totalling exactly seconds in the Julian astronomical year.
• When computations are done involving both years AD and years BC, it is common to use Astronomical year numbering, in which 1 BC is designated 0, 2 BC is designated & minus; 1, and so on.
• It is assumed that the Kurdish calendar starts on March 20 in 612 BCE ( year-611 with astronomical year numbering ), starting with the Kurdish year 1 ( the practice of counting from a year 0 generally seems restricted to astronomers ).
• In conclusion, it is not " entirely " a bogus concept-it does have a certain logic as a way to derive an astronomical Year Zero-but the 2012 thing is not an " astronomical " coincidence, so to speak . talk ) 15 : 01, 24 August 2010 ( UTC)