Ability to train only during given time range

[ab93]

Summary

Give users the ability to train only during a specified time range.

Use Cases

Sometimes, users would like to perform training during non peak hours. They could have the ability to specify the time range when the retraining can happen.

---

Message from the maintainers:

If you wish to see this enhancement implemented please add a 👍 reaction to this issue! We often sort issues this way to know what to prioritize.