def delay_2(year):
last = delay_1(year - <NUM_LIT:1>)<EOL>present = delay_1(year)<EOL>next_ = delay_1(year + <NUM_LIT:1>)<EOL>if next_ - present == <NUM_LIT>:<EOL><INDENT>return <NUM_LIT:2><EOL><DEDENT>elif present - last == <NUM_LIT>:<EOL><INDENT>return <NUM_LIT:1><EOL><DEDENT>else:<EOL><INDENT>return <NUM_LIT:0><EOL><DEDENT>
Check for delay in start of new year due to length of adjacent years