Looking on the internet deeply has found these results:

held next Monday is the most popular phrase on the web.

held on next Monday 1129,000 results on the web	held next Monday 1214,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Next Monday we'll give her another dose. Mr President, my group has drawn up this request not just in view of the development of events, but essentially in view of the fact that the President in EU governments are meeting next Monday to review the political situation. Office of the Council, Mr Simitis, has called an extraordinary summit, which may be held next Monday. I have been following the matter very closely and I can tell you that a General Affairs Council will be held next Monday. Next Monday it's the Siberia season finale.	EU governments are meeting next Monday to review the political situation. Office of the Council, Mr Simitis, has called an extraordinary summit, which may be held next Monday. in Next Monday we'll give her another dose. I have been following the matter very closely and I can tell you that a General Affairs Council will be held next Monday. Mr President, my group has drawn up this request not just in view of the development of events, but essentially in view of the fact that the President Next Monday it's the Siberia season finale.

held on next Monday

1129,000 results on the web

held next Monday

1214,000 results on the web

More popular!

Next Monday we'll give her another dose.
Mr President, my group has drawn up this request not just in view of the development of events, but essentially in view of the fact that the President
in
EU governments are meeting next Monday to review the political situation.
Office of the Council, Mr Simitis, has called an extraordinary summit, which may be held next Monday.
I have been following the matter very closely and I can tell you that a General Affairs Council will be held next Monday.
Next Monday it's the Siberia season finale.

EU governments are meeting next Monday to review the political situation.
Office of the Council, Mr Simitis, has called an extraordinary summit, which may be held next Monday.
in
Next Monday we'll give her another dose.
I have been following the matter very closely and I can tell you that a General Affairs Council will be held next Monday.
Mr President, my group has drawn up this request not just in view of the development of events, but essentially in view of the fact that the President
Next Monday it's the Siberia season finale.