Parameter lěto (notny) musy byś astronomiski (lěto=1 w 1 AD (Anno Domini), lěto=0 w 1 BC, lěto=-1 in 2 BC).
Parameter mjasec (opcionalny, normalna gódnota 1) jo mjaz 1 a 12 wót januara až do decembra (ale offsety su móžne aby druge lěta wulicowało).
Parameter źeń (opcionalny, normalna gódnota 1) jo normalnje mjaz 1 a 31 (ale offsety su móžne aby druge mjasecy wulicowało). Decimale su móžne za snadne źěle dnja.
Parameter góźina (opcionalny, normalna gódnota 12) jo normalnje mjaz 0 a 23 (ale offsety su móžne aby druge dny wulicowało). Notuj až Juliańske dny zachopinaju pśipołdnjo (góźina = 12) a toś góźiny 0-11 solarnego dnja su Juliański źeń zažniši až góźiny 12-23. . Decimale su móžne za snadne dźěle hodźiny.
Parametraj minuta a sekunda (opcionalnej, normalnej gódnośe 0) stej normalnje mjaz 0 a 59 (ale offsety su móžne aby druge góźiny wulicowało). Decimale su móžne za snadne źěle minuty abo sekundy.
Pśikłady
{{JULIANDAY|-4800|2|29|23|59|59}} pśinjaso -32044.500011574 (proleptic) (in year 4801 BC), last Gregorian date where the result is false (the returned JD is too large by 365 days)
{{JULIANDAY|-4800|3|1|0|0|0}} pśinjaso -32410.5 (proleptic) (in year 4801 BC), first Gregorian date where the result is correct
{{JULIANDAY|-4800|3|1}} pśinjaso -32410 (proleptic) (in year 4801 BC), same date at noon
{{JULIANDAY|-4800|3|2}} pśinjaso -32409 (proleptic) (in year 4714 BC), tests the 1 day increment
{{JULIANDAY|-4713|11|24}} pśinjaso 0 (proleptic) (in year 4714 BC)
{{JULIANDAY|-4713|11|25}} pśinjaso 1 (proleptic) (in year 4714 BC)
{{JULIANDAY|0|1|1}} pśinjaso 1721060 (proleptic) (in year 1 BC)
{{JULIANDAY|0|12|30}} pśinjaso 1721424 (proleptic) (Julian Anno Domini, first day in proleptic Julian year 1 AD, or December 30 in proleptic Gregorian year 1 BC)
{{JULIANDAY|1|1|1}} pśinjaso 1721426 (proleptic) (Gregorian Anno Domini, in proleptic Gregorian year 1 AD, or January 3 in proleptic Julian year 1 AD)
{{JULIANDAY|200|2|28}} pśinjaso 1794167 (proleptic) (last day of Julian leap year 200 AD, not leap in the proleptic Gregorian calendar)
{{JULIANDAY|200|3|1}} pśinjaso 1794168 (proleptic) (first day where the Julian and proleptic Gregorian calendars are equivalent)
{{JULIANDAY|300|2|28}} pśinjaso 1830691 (proleptic) (last day where the Julian and proleptic Gregorian calendars are equivalent)
{{JULIANDAY|300|3|1}} pśinjaso 1830692 (proleptic) (first day of difference between the Julian and proleptic Gregorian calendars, in leap Julian year 300 AD, not leap in the proleptic Gregorian calendar)
{{JULIANDAY|325|3|21}} pśinjaso 1839843 (proleptic) (spring equinox observed at the Christian First Council of Nicaea, taken as a reference for aligning the Julian calendar to the proleptic Gregorian)
{{JULIANDAY|1782|10|14}} pśinjaso 2372209 (proleptic) (last proleptic Gregorian day, actually the 4th of October in the Julian calendar)
{{JULIANDAY|1782|10|15}} pśinjaso 2372210 (first non proleptic Gregorian day, equals the 5th of October in the previous Julian calendar)
{{JULIANDAY|1858|11|16|12|00|00}} pśinjaso 2400000 (start of epoch for the Reduced Julian Day, RJD)
{{JULIANDAY|1858|11|17|00|00|00}} pśinjaso 2400000.5 (start of epoch for the Modified Julian Day, MJD)
{{JULIANDAY|1968|05|24|00|00|00}} pśinjaso 2440000.5 (start of epoch for the NASA's Truncated Julian Day, TJD)
{{JULIANDAY|1995|10|10|00|00|00}} pśinjaso 2450000.5 (start of epoch for the current NIST's Truncated Julian Day, TJD mod 10000)
{{JULIANDAY|1999|12|31}} pśinjaso 2451544
{{JULIANDAY|2000|1|1}} pśinjaso 2451545 (the “Y2K bug's day” and millennium celebrations)
{{JULIANDAY|2000|1|2}} pśinjaso 2451546
{{JULIANDAY|2000|2|1}} pśinjaso 2451576
{{JULIANDAY|2000|3|1}} pśinjaso 2451605
{{JULIANDAY|2000|12|31}} pśinjaso 2451910 (last day of the 2nd millennium and of the 20th century in the Gregorian calendar)
{{JULIANDAY|2001|1|1}} pśinjaso 2451911 (first day of the 3rd millennium and of the 21st century in the Gregorian calendar)
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