Human Timescales

• 0.1 reaction time, blinking
• 0.15 seconds -- recommended maximum time delay for telephone service

• 0.2 to 0.67 seconds -- a beat of modern dance music
• average reading or talking speed 120 words/min is 0.5 s/word
• 1/70 to 1/120 min = 0.5 to 1 s - heart rate period, frequency 2 to 1 Hertz
• Sensory memory up to 1 s.

• breathing period
• reading/talking speed, 1-5 s/sentence
• Short term memory up to 10 to 15 s

• 60 seconds = one minute

• 3600 seconds = one hour, one lesson

• 28,600 seconds = 8 hours -- one workday in most Western countries
• 86,400 seconds = one day = 24 hours, sleep, awake

• 604,800 seconds = week = 7 days (with one weekend)

• ~30 days length of the month, Biorhythm

• 9 month human gestation
• 3.156 E7 seconds = year

• decade
• human generation

• 2.4 E9 seconds = 75 years -- average life span in the first world
• 3.156 E9 seconds = century

See also

• cycles
• frequency
• hertz
• human scale
• orders of magnitude (time)
• rhythm
• tempo

<< Previous Word Browser Next >>
adolphe napoleon didron united states pharmacopoeia alexei kovalev rum runner john pinkerton fingathing andrew raycroft abong mbang desire raoul rochette erich gliebe jacobean	manny legace william boyd dawkins thomas englefield william robertson smith mesogastropoda beliefs and practices in the sathya sai organisation robin gross anglo norman language betty shabazz lye roll john rennie (spymaster)	france tlvisions r. g. d. allen ted weems jeremie jacques oberlin sabir language analog devices glenn ford uss macon (zrs 5) type 97 chi ha james vashon flag of the isle of wight	home (dixie chicks album) j. g. westphal open housing act davis square johann heinrich westphal science of logic alejandro lerroux isle of wight arms north atlantic marine mammal commission you can count on me gluino