What Day of the Week Is the Biblical Sabbath?

Today we're going to study on what day of the week we must worship God to receive His blessing and holiness.

God blessed the seventh day and made it holy.
Ge 2:3 God blessed the seventh day and made it holy.
On what day must we worship God to receive blessings and holiness from Him? (Seventh day) Do you think you can get God's blessing and holiness when you worship God on another day? (No) Only those who keep the seventh day will receive blessing and holiness from God. Now let's find out what God called the seventh day.
Ex 20:8-11 Remember the Sabbath day by keeping it holy.
What did God name the seventh day? God named it the Sabbath day and commanded us to "remember" the Sabbath day by keeping it holy. God already knew His people would "forget" about the Sabbath day. Do all Christians keep the Sabbath nowadays as God commanded?
Do you know what day of the week is the Biblical Sabbath? It is Saturday. Let me show you some evidences for a clearer understanding.
First, we can understand Saturday is the Sabbath through the calendar. When you go from the first to the seventh day on the calendar, you can easily understand Saturday is the seventh day. What about Sunday? It is the first day of the week, not the seventh day.
Secondly, we can learn Saturday is the Sabbath through a dictionary. When you refer to the dictionary, it says Saturday is the seventh and the last day of the week. What about Sunday? It says Sunday is the first day of the week.
Finally, we can learn that Saturday is the Sabbath through the Bible.
Mk 16:9 When Jesus rose early on the first day of the week.
This is about Jesus' resurrection. Jesus resurrected on the first day of the week. The Good News Bible says the first day is Sunday ("Very early on Sunday morning," Mark 16:9, TEV). Now that Sunday is the first day, naturally the seventh day is Saturday, the Biblical Sabbath. Therefore, we have to worship God on Saturday to receive blessing and holiness from Him.
As we have studied, Saturday is the Sabbath when we must worship God. Think about it. Why do many people insist on going to church on Sunday?
Jn 8:47 He who belongs to God hears what God says. The reason you do not hear is that you do not belong to God.
God tells His people to keep the Sabbath day. All Christians who belong to God must celebrate Saturday, the Sabbath day. Sunday is the day of the sun-god, which came from Rome. Who do you wish to worship, the one true God or the sun-god?

Finally let's find out through the Bible who can enter the kingdom of heaven.
Mt 7:21 Not everyone who says to me, 'Lord, Lord,' will enter the kingdom of heaven, but only he who does the will of my Father who is in heaven.
Which one is God's will, Sunday or the Sabbath in the light of the Bible? (The Sabbath) You must keep the Sabbath, God's will, if you really want to enter the kingdom of heaven. God bless you.