I averaged 5 years off, but my average would have been much better without one photo that I botched by 16 years because I'm unfamiliar with early 19th century swimsuit styles.
There were 2 major world events represented, that helps. Clothing style helps.
I skip specifying Standard or Daylight time altogether, and just use ET (or CT, MT, etc). Much easier on my brain, and nobody actually cares which they're in at the moment.
There were 2 major world events represented, that helps. Clothing style helps.