Janus is an ancient Roman deity associated with beginnings, transitions, duality, and time. He is most commonly depicted with two faces, each looking in opposite directions—symbolizing his ability to see both the past and the future, or the inner and outer worlds.
As the god of doorways (janua in Latin), gates, and thresholds, Janus governs all forms of change and passage, whether physical, spiritual, or metaphorical. He presides over initiations, journeys, and the start of new ventures—making him especially honored during beginnings, such as at the start of the day, month, or year. In fact, the month of January is named after him.
Unlike most Roman gods, Janus has no Greek counterpart, marking him as uniquely Roman and symbolically embedded in their cultural identity. He was invoked at the beginning of rituals and decisions, regardless of the main deity being honored, due to his role as opener of the way.
Esoterically, Janus represents liminality—the space between realities or states of being. In energy work and spiritual development, one might engage with Janus as a guardian of thresholds, transitions in consciousness, and transformation. Working with Janus can aid in releasing the past and clearly stepping into the future.