Hi all,

I have a date of admission (ex. 02mar2018 00:00:00) and date of intervention (ex. 05mar2018 00:00:00) variables in DMYhm long format:

Code:
* Example generated by -dataex-. To install: ssc install dataex
clear
input double(dt_adm dt)
 1.835568e+12 1.8358272e+12
1785974460000 1785974520000
1767570840000 1.7678736e+12
1827425160000 1827662940000
1797352980000  1.797408e+12
1.8025632e+12  1.803168e+12
1807650360000 1.8080457e+12
1840039080000 1.8400929e+12
1.8462816e+12  1.846368e+12
1.7840133e+12 1.7840232e+12
1838927460000 1.8389844e+12
1792784280000 1.7936991e+12
1854378720000  1.854789e+12
1.8186336e+12 1.8186336e+12
1833068460000 1.8334404e+12
1.7916576e+12  1.791711e+12
1856194740000 1.8562563e+12
1.7901468e+12 1.7901507e+12
1857663240000 1857728520000
1833613140000 1.8336201e+12
1.8280512e+12 1.8280512e+12
1.8570816e+12 1.8570816e+12
1819474620000 1819630320000
 1.796472e+12 1.7967336e+12
1835940060000 1.8359478e+12
1770856140000 1.7709204e+12
1811700660000 1.8119322e+12
1810109940000 1.8101169e+12
1.8334368e+12 1.8334638e+12
1.8230103e+12 1.8230184e+12
end
format %tc dt_adm
format %tc dt
How do I find the difference between two dates in terms of days (an integer)?