The dates on which sunrise aligns with the streets on the Manhattan grid are evenly spaced around the winter solstice and correspond approximately to December 5 and January 8.
ðə dˈeɪts ˌɔn wˌɪtʃ sˈʌnɹaɪz ɐlˈaɪnz wɪððə stɹˈiːts ɔnðə mænhˈæʔn̩ ɡɹˈɪd ɑːɹ ˈiːvənli spˈeɪst ɚɹˈaʊnd ðə wˈɪntɚ sˈɑːlstɪs ænd kˌɔːɹɪspˈɑːnd ɐpɹˈɑːksɪmətli tə dᵻsˈɛmbɚ fˈaɪv ænd dʒˈænjuːˌɛɹi ˈeɪt.