Present simple type: "I start work at 9 o'clock and finish at 5:30."

[Aikuzo]

- I start work at 9 o'clock and finish at 5:30.

Is this under "Future time" OR "the action happens all the time, or habitual" rule?
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I quit studying English years ago and have just come back to study the basics.

[Cerberus™]

It is certainly habitual: I take this as saying that you start at 9 every day.

Then again, perhaps the so called scheduled future that is written in simple present is in fact closely related to the habitual present; a train that arrives at 10 pm today will probably arrive at 10 pm every day.

[Aikuzo]

Now I understand it.

So if someone told me "I start work at 9 o'clock and finish at 5:30 tomorrow.", they are basically talking about their everyday schedule, not just for tomorrow.
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I quit studying English years ago and have just come back to study the basics.

[Erik]

That would be unclear to me. If you said it that way, without an AM or PM, I might take it to mean that you would start at 9PM and finish the next day at 5:30 am. It would be better to say "tomorrow I start work at 9 and finish at 5:30". This would just refer to the one day, and not everyday. If you dropped the word "tomorrow" it would mean everyday.

[Aikuzo]

I didn't see it, thanks man!