If you already own the media and just need the subtitle files, community-driven databases are your best bet. Look for "fansubs" or official rips on these reputable sites:
A go-to for many, Subscene usually has multiple versions of subtitles (English, Spanish, etc.) tailored for different video releases (e.g., Blu-ray vs. TV rip). Golden Time (2013) subtitles
You can stream the entire series with high-quality subtitles on Crunchyroll, which is the standard for most anime fans. If you already own the media and just
The easiest way to get accurate, timed subtitles is through official streaming platforms. These services provide professionally translated subs that capture the nuances of the Japanese dialogue: Golden Time (2013) subtitles
If the timing is slightly off, VLC Media Player allows you to manually adjust subtitle delay using the H and G keys.