If you want to ensure that you never get overbooked on a calendar for events from other calendars -- including on the weekends or evenings -- we highly recommend syncing events at all times.
Read here to learn more about modifying your Working Hours in Reclaim.
You can modify this preference on a per-sync-policy basis. For example, you might have a calendar syncing to your work calendar for a side gig that you don't need to sync outside of your Working Hours. You might also have a personal calendar that you do want to sync outside of your Working Hours. You can set that preference differently in those two sync policies.
Once you've accessed the sync policy, you'll see an option to turn this setting on or off:
Hit "Start Syncing" and you're good to go!