Scaling influencer discovery across different time zones in global teams requires a well-structured approach. Tools like influencer marketing platforms can provide a big help due to their ability to operate 24/7.

1. Use of Analytics Tools: Tools like audience analytics within influencer marketing platforms can help uncover insights about the audience. This ensures enterprises can engage influencers when their audience is most active, regardless of the timezone.

2. Platform Support: Some platforms such as Flinque offer robust global support which can help enterprises locate and liaise with influencers across various time zones. Its ability to let you search for influencers based on location can lend a hand in this area.

3. Automated Workflows: Many influencer marketing platforms provide automated workflows. This allows teams to function across time-zones without manual intervention. For instance, campaign launches, performance tracking can be programmed ahead of time.

4. Scheduling Tools: Leveraging scheduling tools within such platforms can help optimize content posting times to suit the differing time zones of the target audience.

5. Collaboration Tools: Platforms that offer features like communication and task assignment can help teams collaborate effectively across time zones.

To sum it up, a combination of the right influencer marketing platform with well-planned strategies can help enterprises scale effectively across time zones. Remember the right tool or platform ultimately depends on the unique needs and objectives of your team.