Looking on the internet deeply has found these results:

is a good time is the most popular phrase on the web.

would be a good time 165,800,000 results on the web	is a good time 1266,000,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
Now would be a good time for you to call your lawyer. Claudia, now would be a good time to pinpoint that signal. Perhaps now would be a good time to undertake our secondary objective. I thought now would be a good time for that little chat. Now would be a good time to say something. Now would be a good time to leave. Paul, now would be a good time to light that on fire and give them something else to look at. Major Lorne, now would be a good time to open fire.	Squire Samon this is a good time to ask. Sir, this is a good time for class discussion. Now is a good time, I think. And this is a good time to point out that Hitchcock had an idea with this composer's window. Then maybe now is a good time for you to finish your story. Here is a good time to check engine, transmission and brake fluids. Actually, I hear now is a good time to buy. This is a good time for a break.

would be a good time

165,800,000 results on the web

is a good time

1266,000,000 results on the web

More popular!

Now would be a good time for you to call your lawyer.
Claudia, now would be a good time to pinpoint that signal.
Perhaps now would be a good time to undertake our secondary objective.
I thought now would be a good time for that little chat.
Now would be a good time to say something.
Now would be a good time to leave.
Paul, now would be a good time to light that on fire and give them something else to look at.
Major Lorne, now would be a good time to open fire.

Squire Samon this is a good time to ask.
Sir, this is a good time for class discussion.
Now is a good time, I think.
And this is a good time to point out that Hitchcock had an idea with this composer's window.
Then maybe now is a good time for you to finish your story.
Here is a good time to check engine, transmission and brake fluids.
Actually, I hear now is a good time to buy.
This is a good time for a break.