The ⚀hexa·triqua·timel, or semi·bicia·day, or ⚀break

Quantitytime
Formal namehexa·triqua·timel
Formal abbr⚀h•t↑tmℓ
Colloquial namebreak
Colloquial abbr⚀brk
Derivationsemi·bicia·day
Derivation abbrb\b↓dy
TGM equivtriqua·Tim
TGM equiv abbrt↑Tm
SI & USC equiv5 minutes
210z|300d seconds
scaling01:01:+:03:6.0