Q: When its day light saving time does it subtract 1 hour from day or add 1 hour for day?

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That depends. Arizona does not observe Daylight Saving Time. Iowa is in Central Time, and Arizona is Mountain Time, so if Daylight Saving Time is not in effect (November through March, approximate - they keep changing it), then Arizona is 8am when Iowa is 9am (1 hour difference).If Daylight Saving Time is in effect, then there is a 2 hour difference, so 9 am Iowa is 7 am Arizona.

22:47 is 10:47 PM Subtract 12 from the hours in the 24 hour format to get the 12 hour format.

13, as in 1300 hours? That's 1 pm on the 24 hour clock (easy conversion, if the time is larger than 1200, subtract 1200 to get the time equivalent on the 12 hour clock)

None. Every country has the same length day. The only time a day is ever 23 hours is when the first day of daylight-saving begins, and then it is brought forward 1 hour, technically making it the only 23-hour day of the year. Then when it returns to normal time at the end of daylight saving there is a 25-hour day to compensate.

Distance = (speed) x (time)(Speed of light) x (697 years) = (60,000 km/hour) x (time)Time = (speed of light) x (697 years) / (60,000 km/hour)Time = (300,000 km/sec) x (1 hour/60,000 km) x (3,600 sec/hour) x (697 years) = 12,546,000 years

Related questions

11 AM or noon. Add 6 hours, then if daylight saving time is in effect, subtract an hour.

Daylight saving time saves light. You turn your clocks an hour ahead in spring and set them an hour back in fall.

only on the first day

None; you always get the hour back when daylight saving time ends.

Because of the day light saving time that we change the time and they don't

If you take I-70 to I-44 to I-40 to California,...- subtract one hour on I-70 at the Indiana-Illinois state line --> CST/CDT- subtract one hour on I-40 at the Texas-New Mexico state line --> MST/MDT- subtract one hour on I-40 at...- - AZ Exit 311 during Daylight Saving Time --> MST- - the Arizona-California state line during Standard Time --> PST(There is no time change when crossing from Arizona to California when California is on Daylight Saving Time.)

If you are in Greenwich Mean Time (between the last Sun. of Oct. & the last Sun. of March)...subtract 2 hrs. for... Brasilia Summer Time (BRST).Fernando de Noronha Time (FNT).Pierre & Miquelon Daylight Saving Time (PMDT).Uruguay Summer Time (UYST).subtract 2Â½ hrs. for Newfoundland Daylight Saving Time (NDT).subtract 3 hrs. for... Amazon Summer Time (AMST).Argentina Time (ART).Atlantic Daylight Saving Time (ADT).Brasilia Time (BRT).Chile Summer Time (CLST).Falkland Islands Summer Time (FKST).French Guiana Time (GFT).Paraguay Summer Time (PYST).Pierre & Miquelon Standard Time (PMST).Suriname Time (SRT).Uruguay Time (UYT).subtract 3Â½ hrs. for Newfoundland Standard Time (NST).subtract 4 hrs. for... Amazon Time (AMT).Atlantic Standard Time (AST).Bolivia Time (BOT).Chile Standard Time (CLT).Cuba Daylight Saving Time.Eastern Daylight Saving Time (EDT).Falkland Islands Time (FKT).Guyana Time (GYT).Paraguay Time (PYT).subtract 4Â½ hrs. for Venezuelan Standard Time (VET).subtract 5 hrs. for... Central Daylight Saving Time (CDT).Colombia Time (COT).Cuba Standard Time.Eastern Standard Time (EST).Ecuador Time (ECT).Peru Time (PET).subtract 6 hrs. for... Central Standard Time (CST).Mountain Daylight Saving Time (MDT).subtract 7 hrs. for... Mountain Standard Time (MST).Pacific Daylight Saving Time (PDT).subtract 8 hrs. for... Alaska Daylight Saving Time (AKDT).Pacific Standard Time (PST).subtract 9 hrs. for... Alaska Standard Time (AKST).Hawaii-Aleutian Daylight Saving Time (HADT).subtract 10 hrs. for Hawaii-Aleutian Standard Time (HAST).If you are in British Summer Time (between the last Sun. of March & the last Sun. of Oct.)...subtract 3 hrs. for... Brasilia Summer Time (BRST).Fernando de Noronha Time (FNT).Pierre & Miquelon Daylight Saving Time (PMDT).Uruguay Summer Time (UYST).subtract 3Â½ hrs. for Newfoundland Daylight Saving Time (NDT).subtract 4 hrs. for... Amazon Summer Time (AMST).Argentina Time (ART).Atlantic Daylight Saving Time (ADT).Brasilia Time (BRT).Chile Summer Time (CLST).Falkland Islands Summer Time (FKST).French Guiana Time (GFT).Paraguay Summer Time (PYST).Pierre & Miquelon Standard Time (PMST).Suriname Time (SRT).Uruguay Time (UYT).subtract 4Â½ hrs. for Newfoundland Standard Time (NST).subtract 5 hrs. for... Amazon Time (AMT).Atlantic Standard Time (AST).Bolivia Time (BOT).Chile Standard Time (CLT).Cuba Daylight Saving Time.Eastern Daylight Saving Time (EDT).Falkland Islands Time (FKT).Guyana Time (GYT).Paraguay Time (PYT).subtract 5Â½ hrs. for Venezuelan Standard Time (VET).subtract 6 hrs. for... Central Daylight Saving Time (CDT).Colombia Time (COT).Cuba Standard Time.Eastern Standard Time (EST).Ecuador Time (ECT).Peru Time (PET).subtract 7 hrs. for... Central Standard Time (CST).Mountain Daylight Saving Time (MDT).subtract 8 hrs. for... Mountain Standard Time (MST).Pacific Daylight Saving Time (PDT).subtract 9 hrs. for... Alaska Daylight Saving Time (AKDT).Pacific Standard Time (PST).subtract 10 hrs. for... Alaska Standard Time (AKST).Hawaii-Aleutian Daylight Saving Time (HADT).subtract 11 hrs. for Hawaii-Aleutian Standard Time (HAST).

Daylight saving time is when clocks are adjusted forward by one hour during the warmer months to make better use of natural daylight in the evenings. This practice is typically followed from spring to fall to maximize daylight in the evening hours.

To be on time when Daylight Saving Time ends, set your clock back one hour before you go to bed the night before the time change. This will ensure that you wake up at the correct time on the morning Daylight Saving Time ends.

you regroup 60 min as 1 hour

If you are to the west of the Greenwich Meridian (as is the US, for example) You subtract an hour for each time zone. Eastern Standard Time in the US is 5 hours behind GMT. Be sure to adjust for daylight saving time. GMT is always standard time. If you are to the east of the Greenwich Meridian, you add an hour for each time zone.

Daylight saving time typically ends on the first Sunday in November each year. This is when we "fall back" and set our clocks back by one hour to return to standard time.