Light brings happiness, warmth, joy, peace, comfort, calm spirit, and a dozen more adjectives. Light is a metaphor for life, happiness, righteousness, or understanding, and the Bible states that Jesus Christ is the light in the world. Many Bible verses point to Jesus as the light; (Isaiah 2:5; John 8:12; John 1:9; 1 John 1:7; Ephesian 5:8; and Matthew 5:16), to name a few. To walk in the light is to have righteousness in your life and mature as a Christian to be holy before God. We are light to a bleak world for people who have a sense of a triune God.
The festival of lights for my Jewish friends is a celebration of spiritual and physical triumphs of hope; no matter how bleak life gets, a light shines in the darkness. Chanukah points to the physical domination of a nation such as the Greek-Syrians, and the Hellenist cultures that tried to jeopardize the spirituality of Judaism. Yet, the Jewish people have survived since Abraham and will continue to prevail until Messiah Yeshua returns.
Christianity and Judaism related because both groups of people are looking for the return of the Messiah; for Christians, Jesus, and Messianic Jews, Messiah Yeshua. Chag urim Sameach! Read Just the Edge of God