HOW TO LABEL YOUR PERIODICAL ACCURATELY AS TO FREQUENCY OF ISSUE
OCCASIONALLY Issued at irregular intervals
BIANNUALLY Issued once every other year
ANNUALLY Issued once per year (an annual)
SEMI-ANNUALLY Issued twice per year (once each 6 months)
QUARTERLY Issued four times per year (once each season)
BIMONTHLY Issued once every other month (6 times a year)
MONTHLY Issued once per month
SEMI-MONTHLY Issued twice per month
BIWEEKLY Issued once every other week (fortnightly)
WEEKLY Issued once per week
SEMI-WEEKLY Issued twice per week
DAILY Issued once per day