Time of year and While

Time of year noun - One of the natural periods into which the year is divided by the equinoxes and solstices or atmospheric conditions.

While and time of year are semantically related. In some cases you can use "While" instead a noun phrase "Time of year".

While noun - An indefinite but usually short period of time.

Time of year and while are semantically related. You can use "Time of year" instead a noun "While".