select convert(varchar, getdate(), 103);
output: 30/12/2006 (dd/mm/yyyy)
-- Below more pattern:
DATE ONLY FORMATS
select convert(varchar, getdate(), 1);
output: 12/30/06 (mm/dd/yy)
select convert(varchar, getdate(), 2);
output: 06.12.30 (yy.mm.dd)
select convert(varchar, getdate(), 3);
output: 30/12/06 (dd/mm/yy)
select convert(varchar, getdate(), 4);
output: 30.12.06 (dd.mm.yy)
select convert(varchar, getdate(), 5);
output: 30-12-06 (dd-mm-yy)
select convert(varchar, getdate(), 6);
output: 30 Dec 06 (dd-Mon-yy)
select convert(varchar, getdate(), 7);
output: Dec 30, 06 (Mon dd, yy)
select convert(varchar, getdate(), 10);
output: 12-30-06 (mm-dd-yy)
select convert(varchar, getdate(), 11);
output: 06/12/30 (yy/mm/dd)
select convert(varchar, getdate(), 12);
output: 061230 (yymmdd)
select convert(varchar, getdate(), 23);
output: 2006-12-30 (yyyy-mm-dd)
select convert(varchar, getdate(), 101);
output: 12/30/2006 (mm/dd/yyyy)
select convert(varchar, getdate(), 102);
output: 2006.12.30 (yyyy.mm.dd)
select convert(varchar, getdate(), 103);
output: 30/12/2006 (dd/mm/yyyy)
select convert(varchar, getdate(), 104);
output: 30.12.2006 (dd.mm.yyyy)
select convert(varchar, getdate(), 105);
output: 30-12-2006 (dd-mm-yyyy)
select convert(varchar, getdate(), 106);
output: 30 Dec 2006 (dd Mon yyyy)
select convert(varchar, getdate(), 107);
output: Dec 30, 2006 (Mon dd, yyyy)
select convert(varchar, getdate(), 110);
output: 12-30-2006 (mm-dd-yyyy)
select convert(varchar, getdate(), 111);
output: 2006/12/30 (yyyy/mm/dd)
select convert(varchar, getdate(), 112);
output : 20061230 (yyyymmdd)
TIME ONLY FORMATS
select convert(varchar, getdate(), 8);
output: 00:38:54 (hh:mm:ss)
select convert(varchar, getdate(), 14);
output: 00:38:54:840 (hh:mm:ss:nnn)
select convert(varchar, getdate(), 24);
output: 00:38:54 (hh:mm:ss)
select convert(varchar, getdate(), 108);
output: 00:38:54 (hh:mm:ss)
select convert(varchar, getdate(), 114);
output: 00:38:54:840 (hh:mm:ss:nnn)
DATE & TIME FORMATS
select convert(varchar, getdate(), 0);
output: Dec 30 2006 12:38AM (Mon dd yyyy hh:mm AM/PM)
select convert(varchar, getdate(), 9);
output: Dec 30 2006 12:38:54:840AM (Mon dd yyyy hh:mm:ss:nnn AM/PM)
select convert(varchar, getdate(), 13);
output: 30 Dec 2006 00:38:54:840AM (dd Mon yyyy hh:mm:ss:nnn AM/PM)
select convert(varchar, getdate(), 20);
output: 2006-12-30 00:38:54 (yyyy-mm-dd hh:mm:ss)
select convert(varchar, getdate(), 21);
output: 2006-12-30 00:38:54.840 (yyyy-mm-dd hh:mm:ss:nnn)
select convert(varchar, getdate(), 22);
output: 12/30/06 12:38:54 AM (mm/dd/yy hh:mm:ss AM/PM)
select convert(varchar, getdate(), 25);
output: 2006-12-30 00:38:54.840 (yyyy-mm-dd hh:mm:ss:nnn)
select convert(varchar, getdate(), 100);
output: Dec 30 2006 12:38AM (Mon dd yyyy hh:mm AM/PM)
select convert(varchar, getdate(), 109);
output: Dec 30 2006 12:38:54:840AM (Mon dd yyyy hh:mm:ss:nnn AM/PM)
select convert(varchar, getdate(), 113);
output: 30 Dec 2006 00:38:54:840 (dd Mon yyyy hh:mm:ss:nnn)
select convert(varchar, getdate(), 120);
output: 2006-12-30 00:38:54 (yyyy-mm-dd hh:mm:ss)
select convert(varchar, getdate(), 121);
output: 2006-12-30 00:38:54.840 (yyyy-mm-dd hh:mm:ss:nnn)
select convert(varchar, getdate(), 126);
output: 2006-12-30T00:38:54.840 (yyyy-mm-dd T hh:mm:ss:nnn)
select convert(varchar, getdate(), 127);
output: 2006-12-30T00:38:54.840 (yyyy-mm-dd T hh:mm:ss:nnn )
ISLAMIC CALENDAR DATES
select convert(nvarchar, getdate(), 130);
select convert(nvarchar, getdate(), 131);
output: 10/12/1427 12:38:54:840AM (dd mmm yyyy hh:mi:ss:nnn AM/PM)
select replace(convert(varchar, getdate(),101),'/','');
output: 12302006 (mmddyyyy)
select replace(convert(varchar, getdate(),101),'/','') + replace(convert(varchar, getdate(),108),':','');
output: 12302006004426 (mmddyyyyhhmmss)