hopwoodTime = new Date("January 1, 1971 00:00:00 GMT-0500")
todaysTime = new Date();
 
todaysYear = todaysTime.getFullYear()
todaysMonth = todaysTime.getMonth()
todaysDate = todaysTime.getDate()
todaysHour = todaysTime.getHours()
todaysMinute = todaysTime.getMinutes()
todaysSecond = todaysTime.getSeconds()
hopwoodYear = hopwoodTime.getFullYear()
hopwoodMonth = hopwoodTime.getMonth()
hopwoodDate = hopwoodTime.getDate()
hopwoodHour = hopwoodTime.getHours()
hopwoodMinute = hopwoodTime.getMinutes()
hopwoodSecond = hopwoodTime.getSeconds()
 
if ((todaysYear / 4) == (Math.round(todaysYear / 4))) {
   countLeap = 29}
else {
     countLeap = 28}
 
if (todaysMonth == 2) {
   countMonth = countLeap}
else {
     if (todaysMonth == 4) {
        countMonth = 30}
     else {
        if (todaysMonth == 6) {
           countMonth = 30}
        else {
           if (todaysMonth == 9) {
              countMonth = 30}
           else {
              if (todaysMonth == 11) {
                 countMonth = 30}
              else {
                 countMonth = 31}}}}}
 

if (todaysMinute > hopwoodMinute) {
   diffMinute = todaysMinute - hopwoodMinute
   calcHour = 0}
else {
   diffMinute = todaysMinute + 60 - hopwoodMinute
   calcHour = -1}
if (todaysHour > hopwoodHour) {
   diffHour = todaysHour - hopwoodHour + calcHour
   calcDate = 0}
else {
   diffHour = todaysHour + 24 - hopwoodHour  + calcHour
   calcDate = -1}
if (todaysDate > hopwoodDate) {
   diffDate = todaysDate - hopwoodDate + calcDate
   calcMonth = 0}
else {
   diffDate = todaysDate + countMonth - hopwoodDate  + calcDate
   calcMonth = -1}
if (todaysMonth > hopwoodMonth) {
   diffMonth = todaysMonth - hopwoodMonth + calcMonth
   calcYear = 0}
else {
   diffMonth = todaysMonth + 12 - hopwoodMonth + calcMonth
   calcYear = -1}
diffYear = todaysYear - hopwoodYear + calcYear
 

if (diffMinute == 60) {
   diffMinute = 0
   diffHour = diffHour + 1}
if (diffHour == 24) {
   diffHour = 0
   diffDate = diffDate + 1}
if (diffDate == countMonth) {
   diffDate = 0
   diffMonth = diffMonth + 1}
if (diffMonth == 12) {
   diffMonth = 0
   diffYear = diffYear + 1}
 

document.write  (+ diffYear + 3 +' years' );