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What is the meaning of 400. Phrases containing 400
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Acronyms & AI meanings
Accident and Health Reinsurance Underwriters
Call Forwarding Busy Variable Activation
: Very High-bit rate Digital Subscriber Loop
Reverse Logistics Trends Shows
Northwestern Alumni Association
Motoh Advertising Workgroup
Telstra Service Interface Specification
Vereinbarung über Die Standesregeln zur Sorgfaltspflicht der Banken
Large Scale Engineering
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n.
Leap year; every fourth year, in which a day is added to the month of February on account of the excess of the tropical year (365 d. 5 h. 48 m. 46 s.) above 365 days. But one day added every four years is equivalent to six hours each year, which is 11 m. 14 s. more than the excess of the real year. Hence, it is necessary to suppress the bissextile day at the end of every century which is not divisible by 400, while it is retained at the end of those which are divisible by 400.
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