Predloga:Prestopno leto/dok
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Usage[uredi kodo]
{{Prestopno leto|year}}- year defaults to
{{CURRENTYEAR|}}(2024). It must be specified in the Gregorian calendar, extended to all epochs using linear year numbering: use the proleptic Gregorian calendar in Christian Era before the change, and the astronomical year convention (using negative numbers, and year 0) in all years BC before the Christian era (there's a difference of 1 in absolute value).
Parameters[uredi kodo]
- Unnamed parameter The year to calculate with (default: 2024)
|yes=What to output if it is a leap year (default : 1)|no=What to output if it isn't a leap year (default: 0)
Formula[uredi kodo]
The template currently uses Wikimedia function time (#time). It is the same as if 4 mod year = 0 and 100 mod year ≠ 0, then not a leap year, unless 400 mod year = 0, then it is a leap year.
Sanity check[uredi kodo]
{{Prestopno leto|2000}}: 2000 AD is effectively a leap year (in both the Julian and Gregorian calendars).{{Prestopno leto|502*4-8}}: 2000 AD is effectively a leap year (in both the Julian and Gregorian calendars).{{Prestopno leto|2001}}: 2001 AD is not a leap year.{{Prestopno leto|2004}}: 2004 AD is a leap year.{{Prestopno leto|2005}}: 2005 AD is not a leap year.{{Prestopno leto|2007}}: 2007 AD is not a leap year.{{Prestopno leto|2008}}: 2008 AD is a leap year.{{Prestopno leto|2009}}: 2009 AD is not a leap year.{{Prestopno leto|2100}}: 2100 AD is not a leap year in the Gregorian calendar (but not in the Julian calendar).{{Prestopno leto|2400}}: 2400 AD is effectively a leap year (in both the Julian and Gregorian calendars).{{Prestopno leto|1900}}: 1900 AD is not a leap year in the Gregorian calendar (but not in the Julian calendar).{{Prestopno leto|1800}}: 1800 AD is not a leap year in the Gregorian calendar (but not in the Julian calendar).{{Prestopno leto|1700}}: 1700 AD is not a leap year in the Gregorian calendar (but not in the Julian calendar).{{Prestopno leto|1600}}: 1600 AD is effectively a leap year (in both the Julian and Gregorian calendars).{{Prestopno leto|1500}}: 1500 AD is not a leap year in the proleptic Gregorian calendar (but is leap in the actual Julian calendar).{{Prestopno leto|0}}: 1 BC is a leap year in the astronomical calendar (mostly pointless for actual calendars of such epoch, but correct in the astronomical calendar where it is year 0).{{Prestopno leto|-100}}: 101 BC is not a leap year in the astronomical calendar (mostly pointless for actual calendars of such epoch, but correct in the astronomical calendar where it is year -100).
Results for fractions like {{Prestopno leto|2000.9}} are rounded down (floor).