Time calculator - add or subtract (duration,difference):

Years   Days   Hours   Minutes   Seconds
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Units, symbols and conversion values used in this time calculator

To Convert from Unit Unit Symbol and Convert to ( s ) Multiply by ( s / Unit )
nanosecond ns second 0.000000001
millisecond ms second 0.001
second s second 1
second (sidereal) s second 0.99726956
minute min second 60
minute (sidereal) min second 59.83617361
hour h second 3600
hour (sidereal) h second 3590.170417
day d second 86400
day (sidereal) d second 86164.09
week wk second 604800
month mo second 2628000
shake shake second 0.00000001
year yr second 31536000
year (sidereal) yr second 31449892.85
decade dec second 315360000
century c second 3153600000
millennium millennium second 31536000000