Matthew 24:20 προσεύχεσθε δὲ ἵνα μὴ γένηται ἡ φυγὴ ὑμῶν χειμῶνος μηδὲ σαββάτῳ.
Pray that your flight will not be in the winter, nor on a Sabbath,
Noun: Dative Singular Neuter

Luke 6:1 ἐγένετο δὲ ἐν σαββάτῳ διαπορεύεσθαι αὐτὸν διὰ σπορίμων, καὶ ἔτιλλον οἱ μαθηταὶ αὐτοῦ καὶ ἤσθιον τοὺς στάχυας ψώχοντες ταῖς χερσίν.
Now it happened on the second Sabbath after the first, that he was going through the grain fields. His disciples plucked the heads of grain, and ate, rubbing them in their hands.
Noun: Dative Singular Neuter

Luke 6:6 ἐγένετο δὲ ἐν ἑτέρῳ σαββάτῳ εἰσελθεῖν αὐτὸν εἰς τὴν συναγωγὴν καὶ διδάσκειν καὶ ἦν ἄνθρωπος ἐκεῖ καὶ ἡ χεὶρ αὐτοῦ ἡ δεξιὰ ἦν ξηρά.
It also happened on another Sabbath that he entered into the synagogue and taught. There was a man there, and his right hand was withered.
Noun: Dative Singular Neuter

Luke 6:7 παρετηροῦντο δὲ αὐτὸν οἱ γραμματεῖς καὶ οἱ Φαρισαῖοι εἰ ἐν τῷ σαββάτῳ θεραπεύει, ἵνα εὕρωσιν κατηγορεῖν αὐτοῦ.
The scribes and the Pharisees watched him, to see whether he would heal on the Sabbath, that they might find an accusation against him.
Noun: Dative Singular Neuter

Luke 6:9 εἶπεν δὲ ὁ Ἰησοῦς πρὸς αὐτούς· ἐπερωτῶ ὑμᾶς εἰ ἔξεστιν τῷ σαββάτῳ ἀγαθοποιῆσαι ἢ κακοποιῆσαι, ψυχὴν σῶσαι ἢ ἀπολέσαι;
Then Jesus said to them, "I will ask you something: Is it lawful on the Sabbath to do good, or to do harm? To save a life, or to kill?"
Noun: Dative Singular Neuter

Luke 13:14 ἀποκριθεὶς δὲ ὁ ἀρχισυνάγωγος, ἀγανακτῶν ὅτι τῷ σαββάτῳ ἐθεράπευσεν ὁ Ἰησοῦς, ἔλεγεν τῷ ὄχλῳ ὅτι ἓξ ἡμέραι εἰσὶν ἐν αἷς δεῖ ἐργάζεσθαι ἐν αὐταῖς οὖν ἐρχόμενοι θεραπεύεσθε καὶ μὴ τῇ ἡμέρᾳ τοῦ σαββάτου.
The ruler of the synagogue, being indignant because Jesus had healed on the Sabbath, said to the multitude, "There are six days in which men ought to work. Therefore come on those days and be healed, and not on the Sabbath day!"
Noun: Dative Singular Neuter

Luke 13:15 ἀπεκρίθη δὲ αὐτῷ ὁ κύριος καὶ εἶπεν· ὑποκριταί, ἕκαστος ὑμῶν τῷ σαββάτῳ οὐ λύει τὸν βοῦν αὐτοῦ ἢ τὸν ὄνον ἀπὸ τῆς φάτνης καὶ ἀπάγων / ἀπαγαγὼν ποτίζει;
Therefore the Lord answered him, "You hypocrites! Doesn't each one of you free his ox or his donkey from the stall on the Sabbath, and lead him away to water?
Noun: Dative Singular Neuter

Luke 14:1 Καὶ ἐγένετο ἐν τῷ ἐλθεῖν αὐτὸν εἰς οἶκόν τινος τῶν ἀρχόντων τῶν Φαρισαίων σαββάτῳ φαγεῖν ἄρτον καὶ αὐτοὶ ἦσαν παρατηρούμενοι αὐτόν.
It happened, when he went into the house of one of the rulers of the Pharisees on a Sabbath to eat bread, that they were watching him.
Noun: Dative Singular Neuter

Luke 14:3 καὶ ἀποκριθεὶς ὁ Ἰησοῦς εἶπεν πρὸς τοὺς νομικοὺς καὶ Φαρισαίους λέγων· ἔξεστιν τῷ σαββάτῳ θεραπεῦσαι ἢ οὔ;
Jesus, answering, spoke to the lawyers and Pharisees, saying, "Is it lawful to heal on the Sabbath?"
Noun: Dative Singular Neuter

John 5:16 καὶ διὰ τοῦτο ἐδίωκον οἱ Ἰουδαῖοι τὸν Ἰησοῦν ὅτι ταῦτα ἐποίει ἐν σαββάτῳ.
For this cause the Jews persecuted Jesus, and sought to kill him, because he did these things on the Sabbath.
Noun: Dative Singular Neuter

John 7:22 διὰ τοῦτο Μωϋσῆς δέδωκεν ὑμῖν τὴν περιτομήν- οὐχ ὅτι ἐκ τοῦ Μωϋσέως ἐστὶν ἀλλ' ἐκ τῶν πατέρων- καὶ ἐν σαββάτῳ περιτέμνετε ἄνθρωπον.
Moses has given you circumcision (not that it is of Moses, but of the fathers), and on the Sabbath you circumcise a boy.
Noun: Dative Singular Neuter

John 7:23 εἰ περιτομὴν λαμβάνει (ὁ) ἄνθρωπος ἐν σαββάτῳ ἵνα μὴ λυθῇ ὁ νόμος Μωϋσέως, ἐμοὶ χολᾶτε ὅτι ὅλον ἄνθρωπον ὑγιῆ ἐποίησα ἐν σαββάτῳ;
If a boy receives circumcision on the Sabbath, that the law of Moses may not be broken, are you angry with me, because I made a man completely healthy on the Sabbath?
Noun: Dative Singular Neuter

John 7:23 εἰ περιτομὴν λαμβάνει (ὁ) ἄνθρωπος ἐν σαββάτῳ ἵνα μὴ λυθῇ ὁ νόμος Μωϋσέως, ἐμοὶ χολᾶτε ὅτι ὅλον ἄνθρωπον ὑγιῆ ἐποίησα ἐν σαββάτῳ;
If a boy receives circumcision on the Sabbath, that the law of Moses may not be broken, are you angry with me, because I made a man completely healthy on the Sabbath?
Noun: Dative Singular Neuter

John 19:31 Οἱ οὖν Ἰουδαῖοι, ἐπεὶ παρασκευὴ ἦν, ἵνα μὴ μείνῃ ἐπὶ τοῦ σταυροῦ τὰ σώματα ἐν τῷ σαββάτῳ, ἦν γὰρ μεγάλη ἡ ἡμέρα ἐκείνου τοῦ σαββάτου, ἠρώτησαν τὸν Πιλᾶτον ἵνα κατεαγῶσιν αὐτῶν τὰ σκέλη καὶ ἀρθῶσιν.
Therefore the Jews, because it was the Preparation Day, so that the bodies wouldn't remain on the cross on the Sabbath (for that Sabbath was a special one), asked of Pilate that their legs might be broken, and that they might be taken away.
Noun: Dative Singular Neuter

Acts 13:44 Τῷ δὲ ἐρχομένῳ σαββάτῳ σχεδὸν πᾶσα ἡ πόλις συνήχθη ἀκοῦσαι τὸν λόγον τοῦ θεοῦ / κυρίου.
The next Sabbath almost the whole city was gathered together to hear the word of God.
Noun: Dative Singular Neuter