{{day+1}} adds one to a date or date-specific pagename

{{Day+1}} - returns tomorrow's date

{{Day+1|date}} - returns the day after the 'date' passed

{{Day+1|date|pagename|year|spacingchar}} - returns the name of the page one day after the 'datepage' passed in

Example
Code Result
{{Day+1}} त्रुटी: गलत/वा हुदैनहुने समय
{{Day+1|February 28}} फेब्रुअरी २९
{{Day+1|February 28|Wikipedia:Today's featured article/|2004}} Wikipedia:Today's featured article/फेब्रुअरी २९, 2004
{{day+1|{{day+1}}}} त्रुटी: गलत/वा हुदैनहुने समय
{{day+1|{{Currentmonthday}}|Wikipedia:Today's featured article/|{{CURRENTYEAR}}}} Wikipedia:Today's featured article/त्रुटी: गलत/वा हुदैनहुने समय, २०२४
''[http://en.wikipedia.org/w/wiki.phtml?title=Wikipedia:POTD_row/{{day+1|4=_}},_{{CURRENTYEAR}}&action=edit Edit]'' त्रुटी: गलत/वा हुदैनहुने समय,_२०२४&action=edit Edit