[Home](./index.md) > [@firebase/firestore](./firestore.md) > [lite](./firestore_lite.md) > [Timestamp](./firestore_lite.timestamp.md) > [seconds](./firestore_lite.timestamp.seconds.md) ## Timestamp.seconds property The number of seconds of UTC time since Unix epoch 1970-01-01T00:00:00Z. Signature: ```typescript readonly seconds: number; ```