Preview:
data_copy["ts"] = data_copy["effective_to_date"].astype("int64")/1e9 
data_copy["ts"].iloc[1]
# the division exclude milliseconds bringing it down to seconds
downloadDownload PNG downloadDownload JPEG downloadDownload SVG

Tip: You can change the style, width & colours of the snippet with the inspect tool before clicking Download!

Click to optimize width for Twitter