the period when somebody/something was most powerful, successful, rich, etc.
व्यक्ति या वस्तु के सर्वाधिक शक्तिशाली, सफल आदि होने का समय, समृद्धि-काल, स्वर्ण-काल, बहार का समय
Example -
1. Kishore Kumar was a great singer in her heyday.
2. Mohanjodaro in its heyday was a major centre of industrial and commercial activity.
3. Steam railways had their heyday in the 19 th century.
4. APJ Abdul Kalam was in his heyday when he was alive.
