Daylight Saving Time (DST) Not Observed in Year 2017
Isabela City currently observes Philippine Time (PHT) all year.
DST is no longer in use.
Clocks do not change in Isabela City, Philippines.
The previous DST change in Isabela City was on July 28, 1990.
Try selecting a different year below.
Daylight Saving Time in Other Years
DST changes do not necessarily occur on the same date every year.
|Year||DST Start (Clock Forward)||DST End (Clock Backward)|
|2010 — 2019||DST not observed|
|All times are local for Isabela City. Current year is highlighted.|
Data for the years before 1970 is not available for Isabela City, however, we have earlier time zone history for Manila available.