What date was the summer solstice in 1944?

In 1944, the dates of the summer solstice were:

• June 21 in northern hemisphere time zones west of and including UTC + 10 hrs.
• June 22 in northern hemisphere time zones east of and including UTC + 11 hrs.
• Dec. 21 in Southern Hemisphere time zones west of and including UTC.
• Dec. 22 in southern hemisphere time zones east of and including UTC + 1 hr.