Australian Central Standard Time is 4 hours ahead of India Standard Time
4:30 pm16:30 in ACST is 12:30 pm12:30 in IST
ACST to IST call time
Best time for a conference call or a meeting is between 12pm-6pm in ACST which corresponds to 8am-2pm in IST
4:30 pm16:30 Australian Central Standard Time (ACST). Offset UTC +9:30 hours
12:30 pm12:30 India Standard Time (IST). Offset UTC +5:30 hours
4:30 pm16:30 ACST / 12:30 pm12:30 IST
Australian Central Standard Time
Offset: ACST is 9 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Australia
Countries: It is used in following countries: Australia
Principal Cities: The largest city in the ACST timezone is Adelaide from Australia with population about 1.225 million people. Other major cities in the area are Darwin, Adelaide Hills, Alice Springs, Palmerston
Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Australian Central Daylight Time (ACDT).
Start: ACST started and clocks were set one hour back on Sunday, 04 April 2021, at 3:00 (3:00 am) local time.
End: ACST ends and clocks are set one hour forward on Sunday, 03 October 2021, at 2:00 (2:00 am) local time.
ACST representations, usage and related time zones
- +0930 - basic
- +09:30 - extended
- +0930 - sign character (+) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates nine hour and thirty minutes time differences to the east of the zero meridian.
India Standard Time
Offset: IST is 5 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries: It is used in following countries: India
Principal Cities: The largest city in the IST timezone is Mumbai from India with population about 12.692 million people. Other major cities in the area are Delhi, Bangalore, Kolkata, Chennai
Daylight Saving: India Standard Time (IST) is not adjusted for daylight saving therefore IST remains the same through out the year. This means, unlike some time zones where the clock is set forward by one hour every summer and backward by one hour during winter to adjust for daylight saving, India Standard Time remains the same
IST representations, usage and related time zones
- +0530 - basic
- +05:30 - extended
- +0530 - sign character (+) followed by a four digit time providing hours (05) and minutes (30) of the offset. Indicates five hour and thirty minutes time differences to the east of the zero meridian.
- India Standard Time - UTC +5:30
- Irish Standard Time - UTC +1
- Israel Standard Time - UTC +2