The best times to post on Instagram can vary depending on the target audience and region. However, various studies and analyses have identified general trends. Here are some guidelines:

1. **Weekdays**:
   - **Wednesday**: Often considered the best day to post.
   - **Thursday**: A popular day, especially between 11 AM and 12 PM.
   - **Friday**: Good for posts in the afternoon, particularly between 10 AM and 11 AM.

2. **Times**:
   - **Early**: 7 to 9 AM, when people are getting up.
   - **Lunch Break**: 11 AM to 1 PM, when many people are on lunch break.
   - **Evening**: 7 to 9 PM, when people have leisure time and scroll through their feeds.

3. **Weekend**:
   - **Sunday**: Can also be a good time, especially after 10 AM.

### Tips for Determining the Best Posting Times for Your Account:
- **Analyze Your Followers**: Use Instagram Insights to find out when your specific audience is most active.
- **Experiment with Different Times**: Post at various times and analyze your posts' performance to identify patterns.
- **Consider Time Zones**: If you have an international audience, take different time zones into account.

These guidelines are meant as a starting point. It is important to conduct your own analysis to determine the best times for your specific audience.