Enter the time values & days into the given calculator to figure out the sum or difference.
The calculator will help you schedule your plans by adding or subtracting the custom time inputs from a start time & date.
In straightforward terms, this time calculator lets you effectively manage clock time for different events using dynamic customization features that include:
To start, follow the guide mentioned as under:
The best and most straightforward way to calculate times is by time calculator. But if your goal comes up with manual calculations, then the following examples will certainly help you.
It is preferred to add time by converting all the units in terms of seconds. It will make the calculations quite simple.
4:15:10 & 3:29:03
Step # 01
1 Hour = 60 * 60 sec = 3600 sec
1 Minute = 60 sec
Step # 03
Convert second time in seconds:
3:29:03
= (3*60*60 sec)+(29*60 sec)+(03 sec)
= (10800 sec)+(1740 sec)(03 sec)
= 12543 sec
Step # 05
Calculate Days
1 day = 24 hours
1 day = 24×60×60 sec
1 day = 86400 sec
As we are having a total of 20,653, so we have:
Days = 20,653/86400
Days = 0
Step # 02
Convert first time in seconds:
4:15:10
= (4*60*60 sec)+(15*60 sec)+(10 sec)
= 7200sec+900sec+10sec
= 8110 sec
Step # 04
Add Seconds
= (8110 + 12543) sec
= 20,653 sec
Step # 06
Calculate Hours
Hours = 20,653/3600
Hours = 5.736
Step # 07
Calculate Minutes
Minutes = 20,653/60
Minutes = 344.2
To subtract time, you will again have to follow the same way i.e. keeping the units in sec
Remember that:
6:40:17 & 1:03:21
Step # 01
Again we have:
1 Minute = 60 sec
1 Hour = 60 * 60 sec = 3600 sec
Step # 03
Convert second time in seconds:
1:03:21
= (1*60*60 sec)+(03*60 sec)+(21 sec)
=(3600 sec)+(180 sec)(21 sec)
= 3801 sec
Step # 05
Calculate Days
1 day = 24 hours
1 day = 24×60×60 sec
1 day = 86400 sec
As we have a total of 20,216, so we have:
Days = 20,216/86400
Days = 0
Step # 02
Convert first time in seconds:
6:40:17
=(6*60*60 sec)+(40*60 sec)+(17 sec)
= 21,600 sec + 2400 sec + 17 sec
= 24,017 sec
Step # 04
Subtract Seconds
= (24,017 - 3801) sec
= 20,216 sec
Step # 06
Calculate Hours
Hours = 20,216/3600
Hours = 5.615
Step # 07
Calculate Minutes
Minutes = 20,216/60
Minutes = 336.0
Unit | Definition |
millennium | 1,000 years |
century | 100 years |
decade | 10 years |
year(average) | 365.242 days or 12 months |
common year | 365 days or 12 months |
leap year | 366 days or 12 months |
quarter | 3 months |
month | 28-31 days Jan., Mar., May, Jul., Aug. Oct., Dec.—31 days Apr., Jun., Sep., Nov.—30 days. Feb.—28 days for a common year and 29 days for a leap year |
week | 7 days |
day | 24 hours or 1,440 minutes or 86,400 sec |
hour | 60 minutes or 3,600 sec |
minute | 60 sec |
second | base unit |
millisecond | 10-3 second |
microsecond | 10-6 second |
nanosecond | 10-9 second |
picosecond | 10-12 second |