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Questions tagged [timestamp]

The time at which an event is recorded by a computer.

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23 views

How can a file created date be in the past?

I have an installation where some of the files that are put onto the file system have Created timestamps in the past. I understand that it is possible to use API calls to modify the Created (and other)...
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17 views

How to access Changed file timestamp metadata

I understand NTFS file timestamp metadata includes the following: Created Accessed Modified This data is accessible in the Windows Explorer UI and elsewhere. However, I believe the timestamp ...
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15 views

How is file modified and other metadata preserved when file is copied?

When a file is copied from one location to another, say during software installation on Windows, the Created timestamp metadata reflects the date the file was created on the new file system (well ...
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31 views

Embed timestamp in video file using ffmpeg

I'm trying to record a video from the webcam using ffmpeg, while saving the exact timestamp in the video format so that I can later match it with other recorded videos: ffmpeg -f v4l2 -ts abs -...
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72 views

Non-monotonous DTS in output stream 0:1

I have a video and I try to cut some scenes from it, for example: ffmpeg -i "/test-in.mp4" -ss 00:00:00 -t 967.640 -g 25 -b 350k -maxrate 350k -bufsize 700k /test-out1.mp4 ffmpeg -i "/test-in.mp4" -...
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61 views

Error when downloading video via m3u8 playlist: Application provided duration out of range

I use the following command to download an m3u8-playlist. ffmpeg.exe -i "http://7dcdn.ivideo.sina.com.cn/7d.ivideo.sina.com.cn/app/record/subIndex/...
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1answer
157 views

How to preserve timestamps for all folders when moving them from one NTFS drive to another?

I want to move a folder (containing many sub-folders and files) from one NTFS drive to another. Observation: I noticed when I do this, the timestamps ("creation date", "last modified date", etc.) ...
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60 views

What are filesystem access timestamps used for? [closed]

I always turn last access timestamps off, for performance, and frankly for privacy. But Windows and Linux both seem to have them as a feature enabled by default, so I suppose there must be some use ...
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32 views

Timestamp of file changed by time zone difference on copy (presumably)

I just noted 'same' file on two drives have modification timestamp different by 3 hours (checked by one same system). That is same as my time zone difference from UTC. File could have been copied by ...
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109 views

Time of extracted frame from video using FFMPEG

I'm using the command ffmpeg -i video.webm -vf fps=1 thumb%04d.jpg to get one frame every second. However, I cannot figure out way to get the exact timestamp of an extracted frame. I need that ...
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47 views

Gmail configured on outlook through imap , i did a migration on gmail ,timestamps on outlook are incorrect

Gmail is setup on outlook through imap , i did a migration on gmail , while my inbox was being synced on outlook i noticed that the emails i recently migrated do have a new timestamp (different than ...
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linux text timestamp each edit

I am looking for a way to timestamp each edit made to a text file. The scenario is that I take notes based on questions (think: reporter in the field) and jump back and forth within the text ...
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1answer
118 views

'ls' output timestamps different for files in /tmp versus in home directory

I'm ssh'd into my university Linux servers (RHEL 7). Here's the deal. It has to do with 'ls' and "old" files. Home directory: $ touch -d '1918-11-11 11:00 GMT' wwi-armistice $ touch now $ sleep 1 $ ...
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1answer
253 views

Windows batch command to assign specific time/date stamp to files

I know how to assign the current time and date to a file using copy /b filename.ext +,, but how can I assign it a different time and date, as in this variable: set DateTime=01/01/1970 03:00 AM?
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2answers
272 views

Cut part of audio track in MP4 file

I have an .MP4 file with one video track (H.264, 25 FPS) and one audio track (MP2). The total length is ~2:52 (two hours, 52 minutes). I've noticed that A/V is synchronous before ~2:34 but async ...
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120 views

reference time for hardware timestamping

In case of hardaware timestamping in NIC, is there any way to know the reference time used for the timestamping. These timestamps, do they represent time from any particular clock device, network ...
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1answer
660 views

Excel is changing my time input (32:00:00 becomes 8:00:00)

I am making a spreadsheet in Excel to keep track of time. When I enter 32:00:00 (hh:mm:ss) on the spreadsheet, it changes my time to 8:00:00. But when it adds up all the time at the bottom it still ...
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2answers
80 views

Finding an Error in Formatting Based on Time in Excel

I have a column of times which span some twenty-four-hour-long interval (not necessarily starting at midnight or noon). The first one is filled in manually and then each subsequent one is autofilled ...
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1answer
398 views

How to decrypt an encapsulated Time Stamp?

I have a file called signatures.xml which is part of an Adobe AIR file. Now I would like to decrypt the information stored in the XADES Encapsulated Time Stamp. How can I get any information out of ...
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2answers
927 views

macOS Terminal find most recent file in directory [duplicate]

I'm writing (what I thought would be) a quick little bash function to identify the most recent photo imported into Apple's standard Photos.app from a DSLR. So far it looks something like this: find ~...
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1answer
272 views

copy files from NTFS via ext4 to NTFS including timestamp

How do I copy files from one NTFS drive to another NTFS drive via a Linux drive retaining all metadata (Timestamp etc.)? I am replacing one NTFS drive with another in a dual boot Linux Mint/Windows 7 ...
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1answer
449 views

Identify pattern on filename using batch

I have a script that renames files by adding a timestamp as a prefix to the current filename. A file with a timestamp looks like this: 20170407_1030.file1.txt I run this script in a folder after I ...
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100 views

Timestamps in Windows are messed up

[I originally posted this in Stack Exchange Photography, but I was informed that it was off-topic, so I'm posting it in SuperUser. I sincerely apologize.] Hello all, I am on vacation in a time zone ...
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1answer
235 views

ZSH claims “invalid argument” when redirecting scanimage to a timestamped file on SMB

I've been scratching my head on this one for a little too long, so maybe someone here will be able to see what's going wrong. I'm trying to build a command to scan from my scanner to a timestamped ...
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1answer
171 views

how to timestamp a binary (.jar) after signing

I have a jar which I want to sign and timestamp with timestamping server(tsa). I am using the following command to codesign and timestamp the binary. jarsigner -verbose -keystore macert.p12 -...
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1answer
132 views

Unison with macOS and times set to true (times = true)

I am using Unison for a 2-way sync between a MacBook Pro (macOS Sierra) and an external drive (Firewire). I am using the GUI version, Unison 2.48. In the profile .prf I add times = true, however, ...
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169 views

Copy file creation timestamp from source files en masse

TL:DR: I have a Synology NAS with a huge set of source files and a second (target) NAS with a duplicate of these files (plus a few days work). I would like to copy the Creation Timestamp from the ...
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2answers
4k views

Convert Timestamp 00:00:00.000 into total seconds AND milliseconds

I have the problem that I am left with a timestamp that reads like: 00:02:02.300 meaning: hours - minutes - seconds - milliseconds. and need to desperately convert it to total seconds. That is tricky ...
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1answer
326 views

How to find files based on DAY of week in Windows

I need to search for files that were created in 2016 on Saturday of every month. Is there any method or program?
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0answers
28 views

Delete time data labels with zero value from a bar chart?

I am looking to remove data labels with a time format h:mm with a value of zero automatically from my pivot bar chart. Is there any way I could do this? Here the example ->Pivot bar chart displaying 0:...
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1answer
87 views

Do gif image frames retain a timestamp?

I have a program that converts images into gifs. the Frames are created at certain times, (epoch) Im wondering if each frame retains the creation time, in a timestamp, perhaps in the header info of ...
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842 views

Video file with timestamps starting at gt zero with ffmpeg

The problem: Among multiple subtitle files find the one that matches the specific video file based on just a short transcoded fragment of it, which has smaller frame size and different codecs. Using ...
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55 views

Finding files by time of day

Is it possible to search for files (in Windows) by a specific time of day (or range of times) irrespective of the date? For example, I have a folder full of screenshots and I need to select the ones ...
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1answer
4k views

FFmpeg: recreate timestamps without reencoding

I have an MP4 file containing H264 video (25 FPS). Some timestamps are not correct (for reasons...). Can I process the file and have only the timestamps regenerated without reencoding? I've tried this ...
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1answer
630 views

How can the modification date of a file be in the future?

Whenever I change a file on my (Scientific Linux 6, 64bit) machine, its modification date is set in the future: bash$ touch new.txt && stat -c %y new.txt && date 2016-09-19 12:33:08....
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33 views

One Use Timestamp in Microsoft Word

I'm looking for a way to generate a timestamp that will only update the first time a document is opened. The basic timestamp updates with the system time each time it's opened unless the user changes ...
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1answer
87 views

Why are users given the power to manipulate file timestamps?

I have discovered that it is possible to change the timestamps on files. It seems that you can manipulate the Created, Modified, and Accessed date/time. See the MSDN methods: File.SetCreationTime, ...
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730 views

Getting a timestamp from VLC into a word processor

I'd like to be able to get the current playing time of a file in VLC media player and insert it as a timestamp into a word processor - so something like a hotkey combination that will output "[HH:MM:...
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2answers
585 views

Format cell as minutes for use in time calculation?

I have 4 columns: Time In, Lunch, Time Out and Daily Total. The Daily Total column uses the following formula: =([Time Out]-[Time In])-[Lunch] I want to be able to simply enter minutes for the ...
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1answer
963 views

Redirect STDERR and STDOUT to file with timestamp on each line

On my CentOS I am trying to execute a php script that contains an endless loop to do some fancy stuff inside. It doesn't matter that an endless loop may not be an accurate solution for most cases, but ...
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1answer
924 views

Excel 2013: Time/Date Stamp upon change in cell value

I am using Excel 2013 on a PC running Windows 7. In Excel, if cell A1 changes from one value to another, I would like a date time stamp to appear in cell B1. Assume cell A1 could be blank or filled ...
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1k views

Chronologically order two log files into one

I have two log files. In these logs the format is something like 15:41:52,236 INFO And then followed by the actual log messages. If I have two files which can have timestamps that occur before or ...
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1answer
107 views

Record the timestamp when Broken Pipe occurs?

When something goes wrong, SSH prints a message like the following: $ ... $ packet_write_wait: Connection to 45.78.157.165: Broken pipe I'd like to get a timestamp with the error to help with trends ...
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1answer
6k views

Why are Skype messages showing up out of order?

Recently, I saw a one-line Skype message dated 7:36 AM. I saw and responded to this message with one line at 9:39 AM. The other person wrote three lines back again in the early afternoon, which I did ...
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61 views

How can I convert this to an actual date?

I recently did a backup with Acronis and saved the log. It turns out to be an xml containing some lines like this <event code="504" id="5" level="2" message="Pending operation 158 started:'...
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210 views

Trillian Timestamps

I've been using Trillian for years on Windows and more recently OSX. Recently I have noticed that on OSX the timestamps next to messages have disappeared. This is most noticeable when copy and ...
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1answer
798 views

Excel 2010: Daylight Savings - calculate # of hours between timestamps for any given day

I have a checksheet which cross-checks various water measurement points, reading the average rates from around thirty different meters out of another system. I've automated this checksheet so a VBA ...
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1answer
2k views

MP4 video - Editing Creation Date and Other Metadata

I wish to find out if it is possible to edit the creation date and time of an MP4 video file. I have attempted to do so using ffmpeg with the syntax listed below. ffmpeg -y -i "22.mp4" -c copy -...
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2answers
3k views

In Excel 2010, how can I subtract two times when I also have the date in the cell and get the value in seconds?

I have a column of data as follows: 09/22/2015 10:25:22 09/22/2015 10:27:00 I want to subtract 09/22/2015 10:27:00 from 09/22/2015 10:25:22 to get the value of 98 seconds. I tried formatting ...
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70 views

Accidentally partially deleted home directory . . . Killed with ctl-c, which file is corrupted?

I was running some software in my home directory (last time I do that!). Stupid config file asks what directory I wanted to put my output files. I accidently used ~/ as my output directory. It ...