1 The typical holding period for most sells should be four months or less, preferably one month or less, even more preferably one week or even daily. 2  The taxpayer should spend a good part of most every day watching and trading the markets during trading hours.
Here we explain various used meanings for MMDD as acronym, abbreviation or texting slang word.
Growing degree days (GDD), also called growing degree units (GDUs), are a heuristic tool in phenology.GDD are a measure of heat accumulation used by horticulturists, gardeners, and farmers to predict plant and animal development rates such as the date that a flower will bloom, or a crop will reach maturity.owever, some warm temperate and tropical plants do have significant requirements for days above 30 Â°C to mature fruit or seeds. For example, a day with a high of 23 Â°C and a low of 12 Â°C (and a base of 10 Â°C) would contribute 7.5 GDDs.