Complex sentence: But during June the sun rises at about 6:25AM but the sun will not set till 9:45PM but if it was DST the sun rises at 7:25AM and sets at 10:45PM but if DST was used in January The sun rises at 10:45AM and sets at 7:30PM.
Split into simpler sentences: But during June the sun rises at about 6:25AM but the sun will not set till 9:45PM but if it was DST the sun rises at 7:25AM and sets at 10:45PM. But if DST was used in January The sun rises at 10:45AM and sets at 7:30PM.