How to Create a Private or Public Channel on Telegram? 5Telegram Channel avatar size/dimensions Find your optimal posting schedule and stick to it. The peak posting times include 8 am, 6 pm, and 8 pm on social media. Try to publish serious stuff in the morning and leave less demanding content later in the day. Users are more open to new information on workdays rather than weekends. Invite up to 200 users from your contacts to join your channel
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