To do the reverse and load multiple folders in Apple Photos as albums, use the ImportPhotoFolders script
Mass Change Photo Dates for Preparing Photo Albums for Import to Google Photos
Now that you have used Super Apple Photos Export to export your Apple Photos album, you may want to upload them to Google Photos
Google Photos organizes photos in albums by date - there is no option
for organizing photos alphabetically by file name - so many of your
beautiful albums will become disorganized!
Mass Change Photo
Dates is a command line script that processes one or more folders at a
time, and changes the timestamps so that the increasing order of time
matches the the alphabetic order of file names
processing, upload the contents of your folder to Google Photos,
recreate the album from the "last uploaded" set of photos, and set the
album sort to "date" rather than "upload order".
handles the oddities of how Google Photo determines timestamps and
timezones, which is no at all what you might expect!