| Current: | EDT — Eastern Daylight Time |
|---|---|
| Next Change: | EST — Eastern Standard Time |
| Current Offset: | UTC/GMT -4 hours |
| Difference: | Same time as Columbus |
1970 Time Zones - Louisville
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
The graph above illustrates clock changes in Louisville during 1970.
Time Changes in Louisville Over the Years
Daylight Saving Time (DST) changes do not necessarily occur on the same date every year.
| Year | Date & Time | Abbreviation | Time Change | Offset After |
|---|---|---|---|---|
| 1970 | Sun, Apr 26 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 25 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1971 | Sun, Apr 25 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 31 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1972 | Sun, Apr 30 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 29 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1973 | Sun, Apr 29 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 28 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1974 | Sun, Jan 6 at 2:00 am | EST → CDT | No offset (DST start, TZ change) | UTC-5h |
| Sun, Oct 27 at 2:00 am | CDT → EST | No offset (DST end, TZ change) | UTC-5h | |
| 1975 | Sun, Feb 23 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 26 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1976 | Sun, Apr 25 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 31 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1977 | Sun, Apr 24 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 30 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1978 | Sun, Apr 30 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 29 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| 1979 | Sun, Apr 29 at 2:00 am | EST → EDT | +1 hour (DST start) | UTC-4h |
| Sun, Oct 28 at 2:00 am | EDT → EST | -1 hour (DST end) | UTC-5h | |
| * All times are local Louisville time. | ||||
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Tuesday, July 15, 2025