See if a date of a photo has been manipulated?

Niklas Ericson · Apr 6, 2017

I have a photo from 2007 and I suspect the date of the photo have been manipulated.
The photo was taken with a Canon Powershot A620 and the it was modified 2007-05-24 but that is not relevant, it´s the day it was taken that matters.
The photo is not the original from the camera,it´s a saved copy.
Is it possible to read some hidden data or use a software to find out the real date?
Thank´s.

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IPTC [002:060] Time Created = "152129+0000"
IPTC [002:085] By-line Title = "HO"
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Codes of length 03 bits (000 total):
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----
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C3
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Huffman Table: (Dest ID: 1, Class: DC)
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# codes of length 03 bits: 0 ( 0%)
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Huffman Table: (Dest ID: 0, Class: AC)
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Huffman Table: (Dest ID: 1, Class: AC)
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# codes of length 05 bits: 125540 ( 17%)
# codes of length 06 bits: 27124 ( 4%)
# codes of length 07 bits: 32200 ( 4%)
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Cb component: [<0= 0] [>255= 0]
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RGB clipping in DC:
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G component: [<0= 0] [>255= 0]
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Brightest Pixel Search:
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Next position in scan buffer: Offset 0x001C8693.1

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DQT, Row #5: 21 19 12 12 12 12 12 12
DQT, Row #6: 24 12 12 12 12 12 12 12
DQT, Row #7: 17 12 12 12 12 12 12 12
----
Precision=8 bits
Destination ID=1 (Chrominance, typically)
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DQT, Row #1: 11 14 14 14 14 12 12 12
DQT, Row #2: 13 14 14 14 12 12 12 12
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* Embedded Thumb Marker: DHT
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* Embedded Thumb Marker: SOS
Skipping scan data
Skipped 7641 bytes

* Embedded Thumb Marker: EOI

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*** Searching Compression Signatures ***

Signature: 01DADDC4908E9BA57CC067EEAD54E67D
Signature (Rotated): 01DADDC4908E9BA57CC067EEAD54E67D
File Offset: 0 bytes
Chroma subsampling: 1x1
EXIF Make/Model: OK [Canon] [Canon PowerShot A620]
EXIF Makernotes: NONE
EXIF Software: OK [Adobe Photoshop CS Windows]

Searching Compression Signatures: (3347 built-in, 0 user(*) )

EXIF.Make / Software EXIF.Model Quality Subsamp Match?
------------------------- ----------------------------------- ---------------- --------------
SW :[Adobe Photoshop ] [Save As 12 ]

NOTE: EXIF Software field recognized as from editor
Based on the analysis of compression characteristics and EXIF metadata:

CLASS 1: Image is processed/edited

*** Additional Info ***
NOTE: Data exists after EOF, range: 0x001C8696-0x001C886E (472 bytes)

astroNikon · Apr 6, 2017

Is your question .. "can EXIF be changed?"

the answer is ... just use an EXIF Editor.
just google "EXIF Editor" for examples of free programs and ones you can buy.

Dave442 · Apr 6, 2017

There is the file date creation time that is often changed in the computer. Then there is the EXIF data that has the date taken from the camera.

As long as the camera had the correct date set at the time it was being used and nobody went in to intentionally change that data - then what your EXIF reads is the date the image was taken:
[DateTimeOriginal ] = "2007:05:03 13:29:51"
[DateTimeDigitized ] = "2007:05:03 13:29:51"

So it was modified 5/27/2007 but was taken on 5/3/2007. That sounds like a reasonable difference so the camera date was probably correct.