September 13th, 2023 - Tear-Off Calendar 📆☼Sunrise 6:31 AMSunset 7:01 PM♍☽Moonrise 4:52 AMMoonset 6:50 PM♌/♍September 12th‹Wednesday13September 14th›September 2023Day of the year: 256, Week of the year: 37Holidays and observances in September 13th, 2023Programmer’s DayPositive Thinking Day