time to housework in a rule vs time for housework at a rule

Some examples from the web:

• She was a good girl, devoted to housework.
• Therefore, a rule which grants an additional reasonable period of time to the trader in certain circumstances should be provided for in this Directive.
• It is time to break that stranglehold of the past and to create a rule of law that applies to all people in all communities.
• Mr President, as a rule, I am delighted when the European Union abolishes rules from time to time, as there are already far too many of them, and they are a burden on both citizens and enterprises.
• VOICEOVER: Are you a slave to housework?
• I started a rule of first person perspective.
• Because hospitality is a rule among gentlemen.
• But a rule is a rule.
• - A rule's a rule? - Those are my father's rules.
• And you're afraid to break a rule.
• You told me there was a rule.
• Maybe we should have a rule about not dating people in group.
• A rule NBC still uses today.
• But your daughter broke a rule, and she knew the consequences.
• There was a rule of silence.
• You're right. That's not really a rule.
• And then the National Alliance Of Railroads proposes a rule.
• There is a rule against it.
• I thought we had a rule about this in the hospital.
• There's a rule for everything here.

Some examples from the web:

• But I'm not genetically programmed for housework.
• Your sister introduced her to us for housework.
• As for me, I lost my natural taste for housework and tried several times to end it all.
• In shops, food is also offered for sale prepacked and as a rule in proximity to counters manned by sales staff in order to avoid long waiting times for customers at the counter.
• No time for doubts, no time for hesitation, no time for feelings, no time for friends, no time for family.
• I started a rule of first person perspective.
• Because hospitality is a rule among gentlemen.
• It's Valentine's day: A time for romance, a time for passion, - a time for pink...
• Less time for voting, less time for undisputed matters, more time for political debate.
• Home in time for Bargain Hunt.
• First time for everything, Collier.
• There was a time for witchcraft.
• I mean absolutely this time - For Jaguar.
• It's time for the main event.
• Very tricky time for a woman.
• No time for chattering, girl.
• There's always time for one.
• Trouble is the perfect time for training.
• Trouble is the perfect time for training.
• Time for a demonstration in basic physics, gentlemen.