Looking on the internet deeply has found these results:

you decide to start it the next day is the most popular phrase on the web.

you decide to start it from the next day 140,200,000 results on the web	you decide to start it the next day 1525,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
For the sake of consistency, immediately following the last byte of data from Field 13.999 an 'FS' separator shall be used to separate it from the next logical record. I'll send it from the next town. But I found two blog entries from the neighborhood From the next day. And we had to start construction the next day. This is footage from the next day, when he gives the case to Dave Ryder. From the next day on, the Bamboo Cutter went often to the capital, with gold in his kimono. From the next day, it became painful to see Dad.	They found it the next day. I just return it the next day and claim it was defective. I just found out about it the next day. Jim never forgot drew it the next day, though he was not anartist. To not be able to find it the next day was devastating. Remember it the next time you decide to infiltrate the den of a mobster on a whim or something equally cockeyed. Guy turned around and sold it the next day for 2,000 bucks. He cashed it the next day.

you decide to start it from the next day

140,200,000 results on the web

you decide to start it the next day

1525,000,000 results on the web

More popular!

For the sake of consistency, immediately following the last byte of data from Field 13.999 an 'FS' separator shall be used to separate it from the next logical record.
I'll send it from the next town.
But I found two blog entries from the neighborhood From the next day.
And we had to start construction the next day.
This is footage from the next day, when he gives the case to Dave Ryder.
From the next day on, the Bamboo Cutter went often to the capital, with gold in his kimono.
From the next day, it became painful to see Dad.

They found it the next day.
I just return it the next day and claim it was defective.
I just found out about it the next day.
Jim never forgot drew it the next day, though he was not anartist.
To not be able to find it the next day was devastating.
Remember it the next time you decide to infiltrate the den of a mobster on a whim or something equally cockeyed.
Guy turned around and sold it the next day for 2,000 bucks.
He cashed it the next day.