spring day
Literary or poetic term for a day in spring, often evoking mild weather and beauty.
It's pleasant to take a walk in the garden on a spring day.
Mild spring days have been continuing.
spring sun; spring sunlight
Refers to the gentle, warm sunlight of spring. Also used poetically.
Spring sunlight streamed through the window, brightening the room.
I read a book while basking in the spring sunlight on the veranda.
I enjoyed a walk under the spring sun.
春陽 and 春日 are both literary terms for spring sunlight, though 春陽 is rarer and even more poetic.
Sunday · nth day of the month; date suffix · counter for days; number of days · Japan
long and balmy spring day
Compound of 春 (spring) and 日 (day/sun). The reading しゅんじつ is the on'yomi combination, giving it a formal, literary tone.