Your Stamp is small text burned onto pixels, separate from your gallery app's caption field.
Most smartphones and digital cameras record capture time in EXIF metadata. Look under Details or Properties. Desktop programs can turn this data into a visible shot date. The metadata remover strips EXIF and GPS in the browser.

Why Should You Add a Date Stamp Photos on Computer?

A photo date stamp lets you group images chronologically without digging through filenames. When you print albums or deliver client galleries, it keeps batches in order.
If you send files to a lab, a visible stamp identifies the event or roll. In vacation albums, it shows when the pictures were taken.
A small logo with your site name reinforces ownership.
A corner stamp can echo film prints and vintage scans. Keep opacity modest so faces stay the focus.

Add Time and Date Stamps Through Camera Settings

In your smartphone's camera app settings, look for the time stamp option. On Samsung cameras, you can enable Location Tag and Date and Time.
On Canon DSLR cameras, click the Menu button, open the camera setup options and enable Date Stamp.

On Nikon cameras, Click on Menu and click the wrench icon in the camera setup menu to turn on date and time stamps.

Add Timestamp to Photo While Printing

In Windows, click Print Settings and insert an AutoText box in the header or footer to add the date and time when printing documents. For photo timestamps, you need a special image printer or downloaded software.
You can connect Olympus cameras to your printer using the PictBridge app. The downloadable Olympus Master 2 program has a print dialog box that lets you add date stamps.

To add the date stamp to any image in Instagram, open the app and click the '+' icon to add a story.
Take a photo or choose an existing image from your gallery. Click the sticker icon, a smiling, square emoji, and choose the date sticker.