Here's how we can do that:
1. Bengali Year to Gregorian Year: Bengali year 1386 corresponds to the Gregorian year 2022.
2. Shrabon to Gregorian Month: Shrabon is the fifth month of the Bengali calendar. It typically falls between mid-July and mid-August in the Gregorian calendar.
3. 1st Shrabon: The 1st of Shrabon is the first day of the month.
Therefore, Bengali 1st Shrabon 1386 corresponds to July 15, 2022, in the English calendar.
Important Note: While this is the general conversion, the exact date may vary slightly depending on the specific year and the specific Bengali calendar being used.