Command to Get Time in Milliseconds

Command to get time in milliseconds

date +%s%N returns the number of seconds + current nanoseconds.

Therefore, echo $(($(date +%s%N)/1000000)) is what you need.

Example:

$ echo $(($(date +%s%N)/1000000))
1535546718115

date +%s returns the number of seconds since the epoch, if that's useful.

Get system time accurate to milliseconds in Windows cmd

As Neil pointed out there is no native solution in cmd. For anyone who has the option of using PowerShell instead, you could use the following:

(Get-Date -UFormat "%Y-%m-%d %H:%M:%S").toString() + "." + ((Get-Date).millisecond)

There may be a more succinct way of doing it but this worked for my purposes.

Since the question is tagged cmd the appropriate command line for calling this from cmd is:

powershell -command "(Get-Date -UFormat '%Y-%m-%d %H:%M:%S').toString() + '.' + ((Get-Date).millisecond)"

Get current time in milliseconds

Sys.time does not return a "formatted time". It returns a POSIXct classed object, which is the number of seconds since the Unix epoch. Of course, when you print that object, it returns a formatted time. But how something prints is not what it is.

To get the current time in milliseconds, you just need to convert the output of Sys.time to numeric, and multiply by 1000.

R> print(as.numeric(Sys.time())*1000, digits=15)
[1] 1476538955719.77

Depending on the API call you want to make, you might need to remove the fractional milliseconds.

Get time with milliseconds in C++17?

So just print the milliseconds from the timepoint...

const auto ms = std::chrono::time_point_cast<std::chrono::milliseconds>(currentDateTime).time_since_epoch().count() % 1000;
std::clog << std::put_time(¤tDateTimeLocalTime, "%Y%m%d_%H%M%S") 
    << "." << std::setfill('0') << std::setw(3) << ms << std::endl;

How can i get current time with millisecond in C++11

You already have current time at std::chrono::system_clock::now() call.

Find time in milliseconds using PowerShell?

In PowerShell you can cast a time value to a timespan and call the TotalMilliseconds method:

([TimeSpan]"00:05:00").TotalMilliseconds # Returns 300000

([TimeSpan] (Get-Date).ToShortTimeString()).TotalMilliseconds # Returns total milliseconds from 00:00:00 till now

Getting the current time (in milliseconds) from the system clock in Windows?

To get the time expressed as UTC, use GetSystemTime in the Win32 API.

SYSTEMTIME st;
GetSystemTime(&st);

SYSTEMTIME is documented as having these relevant members:

WORD wYear;
WORD wMonth;
WORD wDayOfWeek;
WORD wDay;
WORD wHour;
WORD wMinute;
WORD wSecond;
WORD wMilliseconds;

As shf301 helpfully points out below, GetLocalTime (with the same prototype) will yield a time corrected to the user's current timezone.

You have a few good answers here, depending on what you're after. If you're looking for just time of day, my answer is the best approach -- if you need solid dates for arithmetic, consider Alex's. There's a lot of ways to skin the time cat on Windows, and some of them are more accurate than others (and nobody has mentioned QueryPerformanceCounter yet).

Calculate the difference in milliseconds between 2 given time

You may use:

bc -l <<< "$(date -d "$LOGTIME2" '+%s.%N') - $(date -d "$LOGTIME1" '+%s.%N')"

.189000000

Note that you have to use -d in date and use bc -l for floating point arithmetic and bash only does integer arithmetic.

Command to get milliseconds by static time given

Finally, I found this command to convert static date to milliseconds

date -d 'date -d '08/23/2018 23:59:59' +"%s%3N"

Print Batch Time in Milliseconds

There is a resource kit utility named Timethis that provides up to the millisecond time measurements :

TimeThis :  Command Line :  dir
TimeThis :    Start Time :  Wed Oct 24 12:49:56 2012
TimeThis :      End Time :  Wed Oct 24 12:49:56 2012
TimeThis :  Elapsed Time :  00:00:00.093

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