int64 used for uS since startup
0x0000000000000000 to 0x7FFFFFFFFFFFFF
9,223,372,036,854,775,807 uS
9,223,372,036,854 seconds
153,722,867,280 minutes
2,562,047,788 hours
106,751,991 days
292,471 years
Feel free to comment if you can add help to this page or point out issues and solutions you have found. I do not provide support on this site, if you need help with a problem head over to stack overflow.