Jesus said, no one knows the date and time of His return. Matthew 24:36 But of that day and hour knoweth no man, no, not the angels of heaven, but my Father only.
Why? Because there are two days happening on earth at all times and time zones are all different every where on the earth at all times.
Here is a world time and date site that will help show you all the dates and time zones that are happening every day on earth. Click On Link To Go To The World Clock site. It will show you the times and dates every where on earth.
Now we know why Jesus said this truth.