Sindarin 

orbelain

noun. sixth day of the week, day of the Powers or Valar

Sindarin [LotR/D] aur+belain. Group: SINDICT. Published by

oranor

noun. second day of the week, day of the Sun

Sindarin [LotR/D] aur+anor. Group: SINDICT. Published by

ormenel

noun. fifth day of the week, Heavens' day

Sindarin [LotR/D] aur+menel. Group: SINDICT. Published by

oraearon

noun. seventh day of the Númenórean week, Sea-day

Sindarin [LotR/D] aur+aearon. Group: SINDICT. Published by

orgaladh

noun. fourth day of the Númenórean week, day of the White Tree

This day was formerly called orgaladhad in the Elvish calendar

Sindarin [LotR/D] aur+galadh. Group: SINDICT. Published by

orgilion

noun. first day of the week, day of the Stars

Sindarin [LotR/D] aur+gil, with archaic genitive. Group: SINDICT. Published by

calan

noun. day, period of actual daylight

Attested in the first edition of LotR, but omitted from the second.

Sindarin [aLotR/D] Group: SINDICT. Published by

orgaladhad

noun. fourth day of the Elvish week, day of the Two Trees

This day was renamed orgaladh in the Númenórean calendar

Sindarin [LotR/D] aur+galadh, with quenya influenced dual ending. Group: SINDICT. Published by

orithil

noun. third day of the week, day of the Moon

Sindarin [LotR/D] aur+ithil. Group: SINDICT. Published by

penninor

noun. last day of the year

Sindarin [Ety/400, X/Z] pant+în+aur. Group: SINDICT. Published by

aur

noun. day, sunlight, morning

Sindarin [Ety/349, S/439] Group: SINDICT. Published by

aur

day

aur (morning), pl. oer. As prefix or- in names of weekdays.