Daylight Savings Time – More Than You Ever Wanted to Know

I wrote this about three years ago.  Since Daylight Savings Time just ended, I thought it might be time to re-blog this information!

Recently while working on a Birth Chart, I once again came up against this crazy system of Daylight Savings Time in regard to recording birth times.  During the summer months did nurses record the birth time as DST or did they record  the ‘real’ time, which would be one hour earlier?   Was the birth during War Time when DST was observed?   Were you born in a state or county that chose not to observe DST during the summer?   Having an accurate birth time is important because it tells us what sign was rising over the horizon when you were born.  This becomes your Rising Sign or Ascendant, the part of you that is seen by the public.     Here are some interesting facts I discovered while researching DST:


In March, 1918  Summer DST was observed for 7 months, until October, 1918.  Then again in March, 1919, DST was observed until October, 1919.  Then it was repealed and it became a local option.   However, and this is one of the crazy parts, Massachusetts, Rhode Island and certain cities including New York, Philadelphia and Chicago continued it!

New Jersey and New York were two states that kept DST after the First World War 1918 right through to the Second World War 1942 – 1945 for summer time.

In February of 1942 War Time DST was again observed through September, 1945.

In 1966, the US Congress passed the Uniform Time Act, making daylight saving a national practice, but one that states could decide whether or not to observe.  In 1972, if a state was in two or more time zones, they could exempt one time zone and the other time zone would observe DST.

In 1986, DST was changed to begin the first Sunday in April at 2 A.M.  and to end on the last Sunday in October at 2 A.M.

Congress extended DST to begin in 2007 on the second Sunday in March at 2 A.M. and to end the first Sunday of November 2 A.M. extending it an extra month.

The State of Indiana was split on the issue.  Out of 92 Counties, 77 were in the Eastern Time Zone and did not change (except 2 Counties near Cincinnati and Louisville, which did change).  In the NW corner near Chicago and the SW tip near Evansville which were in the Central Time Zone, both observed DST.    In April, 2006 all of Indiana chose to observe DST.  At the present time, 18 Counties observe CDT and the remaining 74 Counties observe EDT.

The State of Arizona (except some Indian Reservations), Hawaii, Puerto Rico, the US Virgin Islands and American Samoa do not observe DST.  Also, Japan, India and China do not observe DST.   Note that from 1986 through 1991 China did observe DST, but does not observe it any more.

In Western Europe (EU) DST is observed from the last Sunday of March at 1:00 A.M. GMT and ends the last Sunday of October at 1:00 A.M. GMT.

Currently in the USA, DST is observed from March 9th through November 3rd, both at 2 A.M.

Have you got all that?      Luckily for Astrologers, today we have programs that have an Atlas with built-in time changes to hopefully make casting a birth chart more accurate.   However, if the birth time was in the summer months before 1966, and the client does not feel like the Rising Sign fits, more than likely, it is incorrect and the chart needs to be reconfigured.


37 thoughts on “Daylight Savings Time – More Than You Ever Wanted to Know

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  4. Hi Peggy:

    Wow, I did not realize how complicated DST is! This must have taken you along time to compile all of this!

    The movers came out to give us an estimate on Monday, called on Tuesday and said they had a cancellation on Wednesday and yesterday they moved some items for us to function there and make some places here look less cluttered. It has been crazy for the last 3-4 days!!!

    Would you like to meet at Desert Ridge on either November 1,2, or 3? I think those are the dates you mentioned. It will be a nice break from all of this stuff and I look forward to seeing you. If you are too busy then we can try for later in November, but I think you said you had company coming then.

    Anyway, just let me know and I am going to try to make a doctor’s appointment in Scottsdale on the same day. We will be in Chandler then most of the time.

    Warmest regards, Sonja

    Sent from my iPad


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