INSTRUCTIONS: To convert from SOD to hours, minutes, seconds, enter the SOD in the text input box labeled "Seconds of Day". Use the "Enter" key on your keyboard to initiate the conversion, or select the "Update HMS" button. The values of hours, minutes, and seconds will be updated to correspond to the SOD you entered. To convert from hours, minutes, and seconds, enter the values in the three text input boxes labeled "Hours", "Minutes", and "Seconds". You can use the mouse or the "Tab" key to navigate among the boxes. Use the "Enter" key or select the "Update SOD" button to initiate the conversion and update the value of the Seconds of Day.