The tithi on 13-4-2005 was Chaturthi, the fourth day of the lunar cycle in Hindu calendar.
dt. 15/ 03/1962. tithi.- 10(dasami) shukla(vad)
In 1981, the Hindu panchang can be found online on various websites dedicated to astrology and Hindu calendars. You can search for "Hindu calendar 1981" or "1981 Hindi panchang" to find the specific tithi and days information for that year.
Krishna Sapthami was the tithi on 17-10-1984.
dt. 10081970. tithi--8(aatham).shulka(shud)
Milan Tithi - 1985 is rated/received certificates of: India:U
dt. 15/ 03/1962. tithi.- 10(dasami) shukla(vad)
dt.29/05/2007 ni tithi = 13(terash) sukla(shud).
dt.29/09/1974. tithi--14(chaudash). shukla(shud)
dt.10/05/1968. tithi--13(terash).shulka(shud)
dt.05/08/2008. ni tithi is -4(choth) sukla(shud).
dt.21/09/1973. tithi---10(dasam)krushana(vad)
2005
Thursday
Buckwheat