JavaScript
let friday = ["2252723", "2252766", "2252745","lunch", "2252787", "2252834", "2252878", "2252840", "2252977"];let monday = ["2252723", "lunch", "2252745", "2252834", "2252840"];let a = ["2252723", "2252928", "lunch", "2252745", "2252834", "2252840"];let b = ["2252766", "2252928", "lunch", "2252787", "2252878", "2252977"];let currentSched;let sched = [[575,650,650,655,655,685,685,690,690,765,765,770,770,845,845,850,850,925],[575,650,650,655,655,690,690,695,695,725,725,730,730,805,805,810,810,885,885,890,890,965],[575,650,650,655,655,690,690,695,695,725,725,730,730,805,805,810,810,885,885,890,890,965],[575,650,650,655,655,690,690,695,695,725,725,730,730,805,805,810,810,885,885,890,890,965],[575,615,615,620,620,660,660,665,665,705,705,710,710,740,740,745,745,785,785,790,790,830,830,835,835,875,875,880,880,920,920,925,925,965]];function getPeriod(schedule, minutes) {let i = 0;while (minutes > schedule[i]) {i++;}return i;}function update() {let today = new Date();let time = today.getHours() + ":" + today.getMinutes() + ":" + today.getSeconds();const d = new Date();let day = d.getDay()-1;let per = getPeriod(sched[day], today.getHours()*60 + today.getMinutes()) -1;if (day == 0) {currentSched = monday;} else if (day == 1) {currentSched = b;}else if (day == 2) {currentSched = a;}else if (day == 3) {currentSched = b;} else if (day == 4) {currentSched = friday;}currentSched = currentSched.join(",passing,").split(",");window.location.assign("https://vansd.instructure.com/courses/" + currentSched[Math.floor(per/2) + (per%2)]);}update();