411 REFERENCE · Wikipedia
0H
Reference material by Wikipedia contributors. This retains its source identity and is not 411 news reporting.
0H (zero H) or 0-H may refer to:
0h, a notation for zero hours
0h, the part of the spring equinox meridiator that has the celestial longitude 0° (±0°); see Right ascension
See also
Oh (disambiguation)
H0 (disambiguation)