The full list of days for May 1957 were:
Wednesday 1 May 1957
Thursday 2 May 1957
Friday 3 May 1957
Saturday 4 May 1957
Sunday 5 May 1957
Monday 6 May 1957
Tuesday 7 May 1957
Wednesday 8 May 1957
Thursday 9 May 1957
Friday 10 May 1957
Saturday 11 May 1957
Sunday 12 May 1957
Monday 13 May 1957
Tuesday 14 May 1957
Wednesday 15 May 1957
Thursday 16 May 1957
Friday 17 May 1957
Saturday 18 May 1957
Sunday 19 May 1957
Monday 20 May 1957
Tuesday 21 May 1957
Wednesday 22 May 1957
Thursday 23 May 1957
Friday 24 May 1957
Saturday 25 May 1957
Sunday 26 May 1957
Monday 27 May 1957
Tuesday 28 May 1957
Wednesday 29 May 1957
Thursday 30 May 1957
Friday 31 May 1957
May 09 1957 was a Thursday.
May 9 1957 was a Thursday.
May 5th 1957 was a Sunday.
May 28 1957 was on a Tuesday.
10 May 1957 was a Friday.
May 30th, 1957 fell on a Thursday.
May 13 1957 was a Monday.
May 18, 1957 fell on a Saturday.
May 19, 1957 fell on a Sunday.
May 11, 1957 fell on a Saturday.May 11 1957 was a Saturday.
Thursday
Monday