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SQLite juliandday
SQLite juliandday with history, features, advantages, installation, commands, syntax, datatypes, operators, expressions, databases, table, crud operations, clauses, like, glob, limit, and clause, advance sqlite
SQLite Julianday FunctionThe SQLite julianday function facilitates you to apply modifiers and then returns the date as a Julian Day after taking the date as an input. A Julian Day is the number of days since Nov 24, 4714 BC 12:00pm Greenwich time in the Gregorian calendar. The julianday function returns the date as a floating point number. Syntax: julianday(timestring [, modifier1, modifier2, ... modifier_n ] ) Example1: Retrieve current date:
SELECT julianday('2017-04-13');
SELECT julianday('2017-04-13 16:45');
SELECT julianday('2017-04-13 16:45:30');
SELECT julianday('now');
Output: 
Example2: Retrieve First Day of the Month:
SELECT julianday('2017-04-13', 'start of month');
SELECT julianday('now', 'start of month');
SELECT julianday('2017-03-13', '-6 days');
SELECT julianday('now', '-6 days');
Output: 
Example2: Retrieve Last Day of the Month:
SELECT julianday('2017-03-07', 'start of month', '+1 month', '-1 day');
SELECT julianday('now', 'start of month', '+1 month', '-1 day');
SELECT julianday('2017-03-07', '+24 days');
SELECT julianday('now', '+24 days');
Output: 
Example3: Add/ subtract years/ days on the current date:
SELECT julianday('2017-04-14', '+2 years');
SELECT julianday('now', '+5 years');
SELECT julianday('now', '-7 days');
Output: 
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