synodic month

English

Etymology

synodic + month

Noun

synodic month (plural synodic months)

1. a month of approximately 29.53 days, measured from a lunar phase until the return of that same phase. The long-term average duration is 29.530 588 days (29 d 12 h 44 min 2.8 s), or about 29 ½ days.
2. the variably cyclic period from one new moon until the next.

Synonyms

• lunation
• lunar month

Translations

month, measured from a lunar phase until the return of that same phase

• Persian: ماه اقترانی (mâh-e eqterâni)
• Romanian: lună sinodică (ro) f
• Russian: синодический ме́сяц m (sinodičeskij mésjac)

the variably cyclic period from one new moon until the next

• Russian: синодический ме́сяц m (sinodičeskij mésjac), лу́нный ме́сяц (ru) m (lúnnyj mésjac)