Latin numbers, words and phrases used for dates
All the numbers given below are in the form in which they would appear in documents from the medieval period onwards.
Days of the week
| Latin | English |
|---|
| die dominica, die Solis |
on Sunday |
| die Lunae |
on Monday |
| die Martis |
on Tuesday |
| die Mercurii |
on Wednesday |
| die Jovis |
on Thursday |
| die Veneris |
on Friday |
| die Sabbati, die Sabbatinus, dieSaturni |
on Saturday |
Dates of the month
| Latin | English |
|---|
| primo |
first |
| secundo |
second |
| tertio |
third |
| quarto |
fourth |
| quinto |
fifth |
| sexto |
sixth |
| septimo |
seventh |
| octo |
eighth |
| nono |
ninth |
| decimo |
tenth |
| undecimo |
eleventh |
| duodecimo |
twelfth |
| decimo tertio |
thirteenth |
| decimo quarto |
fourteenth |
| decimo quinto |
fifteenth |
| decimo sexto |
sixteenth |
| decimo septo |
seventeenth |
| decimo octo |
eighteenth |
| decimo nono |
nineteenth |
| vicesimo |
twentieth |
| vicesimo primo |
twenty-first |
| vicesimo secundo |
twenty-second |
| vicesimo tertio |
twenty-third |
| vicesimo quarto |
twenty-fourth |
| vicesimo quinto |
twenty-fifth |
| vicesimo sexto |
twenty-sixth |
| vicesimo septo |
twenty-seventh |
| vicesimo octo |
twenty-eighth |
| vicesimo nono |
twenty-ninth |
| tricesimo |
thirtieth |
| tricesimo primo |
thirty-first |
| ultimo |
the last |
Months of the year
| Latin | English |
|---|
| Januarii |
in January |
| Februarii |
in February |
| Martii |
in March |
| Aprilis |
in April |
| Maii |
in May |
| Junii |
in June |
| Julii |
in July |
| Augusti |
in August |
| Septembris |
in September |
| Octobris |
in October |
| Novembris |
in November |
| Decembris |
in December |
Numbers written out in full (often used for years in deeds)
| Latin | English |
|---|
| millesimo |
one thousandth |
| |
|
| centesimo |
one hundredth |
| ducentesimo |
two hundredth |
| trecentesimo |
three hundredth |
| quadrigentesimo |
four hundredth |
| quingentesimo |
five hundredth |
| sescentesimo |
six hundredth |
| septingentesimo |
seven hundredth |
| octingentesimo |
eight hundredth |
| nongentesimo |
nine hundredth |
| |
|
| vicesimo |
twentieth |
| tricesimo |
thirtieth |
| quadragesimo |
fortieth |
| quinquagesimo |
fiftieth |
| sexagesimo |
sixtieth |
| septuagesimo |
seventieth |
| octagesimo |
eightieth |
| nonagesimo |
ninetieth |
| |
|
| primo |
first |
| secundo |
second |
| tertio |
third |
| quarto |
fourth |
| quinto |
fifth |
| sexto |
sixth |
| septimo |
seventh |
| octo |
eighth |
| nono |
ninth |
| decimo |
tenth |
| undecimo |
eleventh |
| duodecimo |
twelfth |
| decimo tertio |
thirteenth |
| decimo quarto |
fourteenth |
| decimo quinto |
fifteenth |
| decimo sexto |
sixteenth |
| decimo septo |
seventeenth |
| decimo octo |
eighteenth |
| decimo nono |
nineteenth |
Example: Anno domini millesimo quadrigentesimo quinquagesimo nono = A.D. 1459
Roman Numerals (used for dates and years)
| Roman Numerals(which could be written in either lower or upper case) | Arabic Numerals |
|---|
| i, ij, iij, iv or iiij, v, vj, vij, viij, ix, x |
1-10 |
| xj, xij, xiij, xiiij, xv, xvj, xvij, xviij, xix |
11-19 |
| xx, xxj, xxij, xxiij, xxiiij, xxv, xxvj, xxvij, xxviij, xxix |
20-29 |
| xxx |
30 |
| xl |
40 |
| l |
50 |
| lx |
60 |
| lxx |
70 |
| lxxx |
80 |
| xc |
90 |
| c |
100 |
| d |
500 |
| m |
1000 |
| |
|
| Example years: |
|
| MCCCXVIII |
1318 |
| MDXLVI |
1546 |
| MDCCLXII |
1762 |
| MCMXCIX |
1999 |
Phrases
| Latin | English |
|---|
| Anno domini |
In the year of the Lord |
| Ante meridiem |
Before noon (a.m.) |
| Altera die |
On the next day |
| Cras |
Tomorrow |
| Die sequenti |
On the next day |
| Die vero |
On this very day |
| Ejusdem die |
Of the same day |
| Eodem anno |
In the same year |
| Eodem die |
On the same day |
| Eodem mense |
On the same month |
| Hodie |
Today |
| Mane |
In the morning |
| Nocte |
At night |
| Post Meridiem |
After noon (p.m.) |
| Postridie |
On the day after |
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