Related by context. Frequent words. (Click for all words.) 63 lunar calendar 62 vernal equinox 53 equinox 51 Daylight Saving Time 51 Greenwich Mean Time 50 Daylight Savings Time 50 atomic clocks 47 winter solstice 47 Babylonians 47 daylight saving 46 Mayan calendar 45 pagan 44 summer solstice 43 Shrove Tuesday 43 Orthodox churches 43 solstice 43 Winter Solstice 43 pagans 42 calendar 42 Samhain 41 Daylight saving 40 Orthodox Christians 40 liturgy 40 millenia 39 calender 39 incandescent light bulb 39 Jesus resurrection 39 clocks 38 gospels 38 cosmology 38 Rosh Hashana 38 transliteration 38 fasting 37 Greek alphabet 37 Google Doodle 37 teachings 37 Rosh Hashanah 37 observances 37 Christianity 36 Roman Empire 36 Armistice Day 36 sabbath 36 monotheism 36 liturgical 36 sunspots 36 Lent 36 relativity 36 millenniums 36 lunar 36 Zoroastrian 36 paganism 36 astrology 36 Lantern Festival 36 zodiac 35 Pentecost 35 decimal 35 Shavuot 35 divine revelation 35 Orthodox 35 civilization 35 dictum 35 Protestant Reformation 35 Easter Vigil 35 dogma 35 almanac 34 incandescent bulb 34 sixteenth century 34 epochs 34 circadian rhythm 34 Protestantism 34 superstition 34 Reformation 34 millennia 34 numerology 34 Little Ice Age 34 Kwanzaa 34 incandescent bulbs 34 religions 34 Chinese zodiac 34 Dark Ages 34 prefix 34 Romans 34 Unitarians 34 centuries 34 crescent moon 34 Constantinople 34 Decoration Day 34 quantum theory 34 #AD [002] 33 traditions 33 solar eclipse 33 calendars 33 precepts 33 eighteenth century 33 comma 33 meteor showers 33 Caliphate 33 timekeeping 33 Christmas Bird Count 33 Nowruz 33 Divine Liturgy