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R/aa_constants.R
In calcal: Calendrical Calculations
MEAN_TROPICAL_YEAR <- 365.242189
MEAN_SIDEREAL_YEAR <- 365.25636
MEAN_SYNODIC_MONTH <- 29.530588861
SPRING <- 0
SUMMER <- 90
AUTUMN <- 180
WINTER <- 270
# Moon phases
NEW <- 0 # New moon
FIRST_QUARTER <- 90 # First quarter moon
FULL <- 180 # Full moon
LAST_QUARTER <- 270 # Last quarter moon
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calcal documentation built on Feb. 25, 2026, 9:07 a.m.
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MEAN_TROPICAL_YEAR <- 365.242189
MEAN_SIDEREAL_YEAR <- 365.25636
MEAN_SYNODIC_MONTH <- 29.530588861
SPRING <- 0
SUMMER <- 90
AUTUMN <- 180
WINTER <- 270
# Moon phases
NEW <- 0 # New moon
FIRST_QUARTER <- 90 # First quarter moon
FULL <- 180 # Full moon
LAST_QUARTER <- 270 # Last quarter moon
Try the calcal package in your browser
Any scripts or data that you put into this service are public.
R Package Documentation
Browse R Packages
We want your feedback!
Note that we can't provide technical support on individual packages. You should contact the package authors for that.
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