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Best Astronomical Timers in 2020

Astronomical Timers allow you to schedule based on your geographical location / time of year or as a set schedule when you want your lights to go on and off. Simple timers allow you to turn lights on and off once a day, more elaborate timers allow for daily and weekend schedules. Timers help you save electricity by ensuring your lights are only on when they are needed.

#1 LEDLightingSupply - Leviton VPT24-1PZ Vizia 24-Hour Programmable Indoor Timer with Astronomical Clock, 1 Pack
  • CONVENIENT – Automate interior/exterior lights and more
  • ENERGY SAVING – Reduce energy consumption and extend bulb life
  • FLEXIBLE- Program up to 49 on/off event settings per day
  • SMART - Adjusts to local sunrise/sunset and daylight saving
  • VERSATILE- Use in homes, offices, schools, hotel rooms and other light commercial applications
#2 LEDLightingSupply - Honeywell Home RPLS740B1008 Econoswitch 7-Day Programmable Light Switch Timer, White
  • CUSTOMIZE YOUR LIGHTS - Add convenience and customization to your home with the Honeywell Home ECONOSwitch 7-Day Solar Programmable Light Switch
  • HELPS SAVE ON YOUR ENERGY BILL - Scheduled programming allows the Econoswitch to turn your home lights and motors on and off automatically, helping you save both time and energy
  • CONTROL MULTIPLE DEVICES - Schedule your motor-operated appliances such as ceiling fans, bathroom fans, pond pumps, and pool pumps in addition to all your home lighting (one switch per home installation). 1800W, ¾ HP on 120v
  • SIMPLE PROGRAMMING - Easily program up to 7 on-and-off schedules per week that can be repeated daily or weekly. 3-button interface makes programming simple
  • VERSATILE LIGHTING - Compatible with LED, CFL, incandescent, halogen and fluorescent lighting for outdoor or indoor operation
  • EASY INSTALLATION - Painless and straightforward installation saves you time. Cut power at the circuit breaker to avoid electric shock. Simply remove your existing switch, install the new ECONOSwitch, and apply power at the circuit breaker*
  • MULTIPLE MODES - Manually control your lighting or let the ECONOswitch run automatically on a programmed schedule
  • CONVENIENT UPDATES - Automatically adjusts to daylight savings to ensure that your programs run correctly and on time. Programs protected during power outages. The Random Setting turns timed light on and off for extra home security while you’re away
  • SLEEK DESIGN - Sleek wall mounts blend in with virtually any home interior and a large backlit screen provides clear viewing at night
  • DIMENSIONS - 6.7 x 9.1 x 1.9 inches
#3 LEDLightingSupply - TORK a brand of NSi Industries EWZ Series Multipurpose Control Astronomic 7 Day Time Switch, 120-277
  • Automatic on/off control for individualized daily operation
  • Digital 7-day, 24-hour display with 20 on/off cycles each day, one-minute minimum cycle, manual override switch
  • Automatic compensation for daylight saving time, leap year, and sunrise and sunset variation based on Earth's latitude
  • 120-277 VAC input voltage for multiple uses
  • Noryl plastic alloy indoor/outdoor enclosure with locking hasp
#4 LEDLightingSupply - Intermatic DT620 Heavy Duty Indoor Digital Plug-in Timer, White
  • Indoor programmable timer that is the ultimate event planner – control up to 28 on and off settings per day with dusk to dawn and auto daylight saving time adjustment – you can truly set it and forget it, includes a battery back up which saves the programming incase the power goes out
  • Energy saving outlet timer with two grounded receptacles and plug, which allows you to control 2 devices
  • Ideal for lamps, fans, hydroponics, appliances, electronics, heaters, air conditioners, coffee/espresso machines, and more
  • Ratings:  15 A,  Resistive: 1800 W,  Inductive: 12 A,  Tungsten: 1000 W,  120 V,  60 Hz,  1/2 HP
  • CSA Certified, Limited one year , CA Title 20 Listed
#5 LEDLightingSupply - Intermatic DT200LT Digital Astronomic Landscape Timer, Color
  • Factory set auto DST option takes the hassle out of daylight saving time adjustments
  • One push programming override for homeowner convenience
  • Rated for use in low-voltage transformers up to 1200W
  • An operating temperature range of -40˚ F to 122˚ F (-40˚ C to 50˚ C) for steady performance in all types of climates
  • Two LR44 batteries (included) retain the correct time and settings for up to three months without power
#6 LEDLightingSupply - ControlScape CS-Art Astronomical Relay Timer
#7 LEDLightingSupply - TOPGREENER Digital Astronomic Timer Switch, 7-Day Programmable Sunrise Sunset, Single-Pole or 3-Way,
  • Programmable timer switch automatically turns lights on/off based on a pre-set 7-day schedule with astronomic feature that allows you to automatically adjust dusk to dawn times
  • Program up to 7 on/off schedules per week. Each program can be unique or repeated daily, by weekends, or by weekdays
  • Random function varies schedule for a lived-in look. Timer switch automatically adjusts for daylight savings time. Manual override and countdown timer feature
  • Back-lit LCD screen activates when a button is pressed. Help to easily read and program timer switch at the darkest areas
  • Neutral wire required. For single-pole or 3-way use. 120VAC; Resistive 1800W, Tungsten: 1200W, Fluorescent: 1200VA, LED: 300W, Motor: 1/2HP, UL-listed. Wall Plate sold separately
#8 LEDLightingSupply - Woods 50029WD Indoor Plug-In Astronomical Timer, 2 Grounded Outlets
  • Great for automating fans, lamps, and appliances to increase home security and maximize energy savings
  • Program up to 7 ON/OFF settings, repeats weekly
  • Set weekday, weekend or daily schedules
  • Countdown, random, sunrise/sunset modes
  • Automatically adjusts at Daylight Savings time
  • 125Vac, 60Hz, 8A 1000W Tungsten, 15A General Purpose, 15A Resistive, 500VA Electronic Ballast, 8.3A Ballast up to 1/2Hp
#9 LEDLightingSupply - Intermatic ET8015C 7-Day 30-Amp SPST Electronic Astronomic Time Switch, 120-277 VAC, NEMA 1
  • Automatically switches loads according to a preset weekly schedule
  • Multi-volt operation from 120-277 VAC, 50/60 Hz. Operating Temperature Max (°C): 40, Operating Temperature Max (F): 104. Operating Temperature Min (°C): -40, Operating Temperature Min (F): -40
  • To-the-minute programming for accurate load control and reduced energy costs
  • Astronomic feature provides sunset ON and sunrise OFF settings to eliminate the need for separate photo control devices
  • Astronomic programming can be combined with independent programs to provide a sunset ON and timed OFF program
#10 LEDLightingSupply - Intermatic ST01 7 Day Programmable In Wall Digital Timer Switch for Lights and Appliances, Astronomi
  • Intermatic ST01 7 Day Programmable In Wall Digital Timer Switch for lights and appliances, astronomic, self adjusting, heavy duty
  • Set it once - follows daily changes for sunrise/sunset times
  • Single-pole or 3-way applications up to 100 feet
  • Controls all lighting and heavy-duty loads like fans and appliances
  • Up to 40 on/off settings per week
  • Incandescent/fluorescent/LED/CFL-compatible
#11 LEDLightingSupply - GE SunSmart in-Wall Digital Timer, Daily ON/Off Times, Programmable Settings, Sunset/Sunrise Presets
  • Lighting Control – Set multiple ON/OFF settings for your lights or appliances throughout the week – up to 7 individual weekly programs, and it is compatible with LED, CFL and incandescent bulbs
  • Sun Smart Technology – The timer will auto-adjust to sunset/sunrise times and Daylight-Saving Time throughout the year for easy programming, and it also features a vacation setting to help deter crime when you are away
  • In-Wall Timer – With the easy-to-install direct wire, the timer replaces a standard wall switch, fits in a single or multi-gang rocker plate, can be used in single-pole or 3-way installation and includes white and light almost faceplates – NEUTRAL WIRE REQUIRED
  • Additional Features – Timer features a backup battery to maintain settings in the event of a power outage, the easy-to-read LCD display makes programming simple and door also functions as a convenient ON/OFF override push-button
  • Electrical Ratings – 120 VAC, 60Hz, 15A resistive, 10A tungsten, 10A ballast, 1/2HP motor
#12 LEDLightingSupply - NSi Industries TORK 457Z Indoor 15-Amp 24-Hour, 7-Day, Digital Plug-In SunSet Dusk to Dawn Lighting
  • The photocontrol turns on lighting at dusk and turns off lighting at dawn
  • The timer has a daylight saving time adjustment and can operate in a random mode to simulate normal daily operation
  • NSI's 457Z digital time switch includes 20 pairs of on/off set points, has a minimum cycle time of one minute, and is suitable for individualized daily operation
  • Automatic on/off control for individualized daily operation
  • This wall outlet plug-in timer is Canadian Standards Association (CSA) certified for quality assurance and is suitable for controlling indoor lighting such as lamps and appliances
#13 LEDLightingSupply - Timer Outlet, Nearpow Multifunctional Infinite Cycle Programmable Plug-in Digital Timer Switch with
  • Safety: Insulation material; Child lock function; Power-off protection; Warning tone. Plugs into a 120V grounded receptacle, and contains a single grounded receptacle rated at 15A/1800W
  • Multifunctional Function: Clock setting; Timing per day (3 groups can be set at the same time); Count down and turn on/off (warning tone can be selected); Interval circulation(Infinite loop and Shortest time interval is 1 second)
  • Simple and Easy: The summary procedure set operation; plug and play; Easy-to-read super large LCD; Infinite Loop per day; USPTO Patent Pending
  • Applicability: charging, turning sprinkler irrigation, lamps, fans, christmas tree lights and other electrical devices on and off.(If used for water pumps and motor, it can not be more than 4 amp, wattage cannot exceed 800 watts)
  • Special Promise for You: 30 days money back, 12 month replacement refund or replacement for any defective product
#14 LEDLightingSupply - Intermatic HB880R 15-Amp Outdoor Digital Timer for Control of Lights, Decorations, Pumps or Fans wit
  • Full feature plug-in timer provides 7-day programming in a weatherproof enclosure, with a total of 14 ON/OFF events
  • Astronomic setting enables timer to automatically adjust event schedules in relation to the changing sunrise/sunset times for maximum efficiency
  • Plugs directly into wall outlet with 24” cable and provides 2 timed and grounded and plug configurations is 5-15
  • Common usage includes control of LED and CFL lights, irrigation pumps, engine block heater, aerator
  • Random setting can be used with security lighting to provide a lived-in appearance. Note : Refer to the PDF attached below in Technical Specification for User Manual.
#15 LEDLightingSupply - BN-LINK 7 Day Heavy Duty Digital Programmable Timer, FD60 U6, 115V, 60Hz, Dual Outlet, Indoor, Packa
  • ✓ VERSATILE & CUSTOMIZABLE: Easily set up to 8 on/off programs for the timer’s two grounded outlets. Outlets are controlled simultaneously, and settings can be as short as one minute.
  • ✓ JUST SET & GO: Choose your own individual days or simply select one of the convenient pre-set combination days. Switch to Daylight Savings mode with a press of a button. Our long-lasting backup battery keeps your settings even in the event of a power outage.
  • ✓ PROTECT YOUR HOME: Activate the “Random” Vacation mode to randomize your programmed lights. Make your home look “lived in” even when you’re away.
  • ✓ SAVE ENERGY & MONEY: Save costs on electricity. Use for lights, coffee machines, fans, and much more!
  • ✓ SAFE & RELIABLE: This timer is UL listed and rigorously controlled for quality and safety. Rating: 115V, 60 Hz, 15A/1725W
#16 LEDLightingSupply - Honeywell FBA_36045 PLS750C1000 Timer Switch with Sunrise Sunset Single or 3 Way, white
  • Country of Origin: CHINA
  • The Package Length of the product is 6.6 inches
  • The Package Width of the product is 7.87 inches
  • The Package Height of the product is 12.19 inches
#17 LEDLightingSupply - Intermatic ET1125C 24-Hour 30-Amp Electronic Time Switch, 120-277 VAC, NEMA 1, 2-Circuit/30-Amp Rati
  • Selector switch to determine input voltage between 120-277 VAC, 50/60 Hz
  • Up to 28 events total
  • To-the-minute accuracy
  • Temporary override or permanent manual override
  • Automatic Daylight Saving Time adjustment
#18 LEDLightingSupply - BN-LINK 7 Day Outdoor Heavy Duty Digital Programmable Timer BND/U78, 125VAC, 60Hz, Dual Outlet, Weat
  • ✓ VERSATILE & CUSTOMIZABLE: Easily set up to 8 on/off programs for the timer’s two grounded outlets. Outlets are controlled simultaneously, and settings can be as short as one minute.
  • ✓ JUST SET & GO: Choose your own individual days or simply select one of the convenient pre-set combination days. Switch to Daylight Savings mode with a press of a button. Please Install one AA Battery(not include in package), the long-lasting backup battery keeps your settings even in the event of a power outage.
  • ✓ PROTECT YOUR HOME: Activate the “Random” Vacation mode to randomize your programmed lights. Make your home look “lived in” even when you’re away.
  • ✓ FOR OUTDOOR AND INDOOR USE: WEATHER PROOF construction for the outdoor Christmas/garden/landscape lights, pool pump, fountains and other electrical outlets.
  • ✓ SAFE & RELIABLE: Heavy duty material and two grounded outlet makes it safe and durable. Rating: 125V, 60 Hz, 15A/1875W Resistive, 8A/1000W Tungsten.
#19 LEDLightingSupply - Intermatic ST01A 7 Day Programmable In Wall Digital Timer Switch for Lights and Appliances, Astronom
  • DIGITAL IN-WALL TIMER
#20 LEDLightingSupply - Intermatic TMHDT101 T101 24 Hour Dial Timer
  • Ideal for loads up to 40-ampere resistive from 120-volts providing direct 24 hour time switch control of most loads
  • Designed for industrial, commercial and residential applications
  • This series provides from 1 to 12-inch on and offs operations daily with minimum on and offs times of 1 hour
  • Comes timer with metal case 120-volt
  • Container's measures 8-1/9-inch length by 5-2/5-inch width by 3-2/7-inch height
  • Industrial, commercial and residential applications
  • Highest HP ratings in the industry up to 40 amps
  • Direct 24 hour control
  • Provides 1 to 12 On/Off operations
  • Equipped with one "On" and one "Off" tripper

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