IRT to SRT Time Converter

Convert Iran Standard Time (IRT) to Suriname Time (SRT). Both time zones are shown live below; current offset between them is 6h 30m behind.

Tehran · Iran Standard Time
05:43:36
Wednesday, May 13, 2026
GMT+3:30 · UTC+03:30
Paramaribo · Suriname Time
23:13:36
Tuesday, May 12, 2026
GMT-3 · UTC-03:00

Convert a specific time

From: IRT (Tehran)
To: SRT (Paramaribo)
--:--

Daylight Saving status right now

IRT (Iran Standard Time)
Observes DST
No
SRT (Suriname Time)
Observes DST
No

When can IRT and SRT meet?

00
01
02
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09
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IRT
SRT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Tehran (IRT). Each row shows the local working-hours state in that zone for the same moment in time.
1 hour of overlap during standard 9am-5pm working hours.
Best meeting window: 16:00–16:00 IRT (09:30–09:30 SRT).

Hour-by-hour IRT to SRT conversion table

IRT time (Tehran)SRT time (Paramaribo)Status
00:00 Wed17:30 TueOff-hours both sides
01:00 Wed18:30 TueOff-hours both sides
02:00 Wed19:30 TueOff-hours both sides
03:00 Wed20:30 TueOff-hours both sides
04:00 Wed21:30 TueOff-hours both sides
05:00 Wed22:30 TueOff-hours both sides
06:00 Wed23:30 TueOff-hours both sides
07:00 Wed00:30 WedOff-hours both sides
08:00 Wed01:30 WedOff-hours both sides
09:00 Wed02:30 WedIRT working
10:00 Wed03:30 WedIRT working
11:00 Wed04:30 WedIRT working
12:00 Wed05:30 WedIRT working
13:00 Wed06:30 WedIRT working
14:00 Wed07:30 WedIRT working
15:00 Wed08:30 WedIRT working
16:00 Wed09:30 WedBoth at work
17:00 Wed10:30 WedSRT working
18:00 Wed11:30 WedSRT working
19:00 Wed12:30 WedSRT working
20:00 Wed13:30 WedSRT working
21:00 Wed14:30 WedSRT working
22:00 Wed15:30 WedSRT working
23:00 Wed16:30 WedSRT working

Times computed for today in each zone using the IANA time zone database. The conversion accounts for daylight saving time wherever applicable.

About these time zones

Iran Standard Time (IRT)
IANA identifier
Asia/Tehran
Current UTC offset
UTC+03:30
Current abbreviation
GMT+3:30
Major cities in this zone
TehranIsfahan
Suriname Time (SRT)
IANA identifier
America/Paramaribo
Current UTC offset
UTC-03:00
Current abbreviation
GMT-3
Major cities in this zone
Paramaribo

Sun today in Tehran and Paramaribo

Tehran
Sunrise
05:02
Sunset
19:01
Solar noon
12:02
Daylight
13h 58m

Related converters

SRT to IRT (reverse)IRT to ESTIRT to PSTIRT to GMTIRT to UTCIRT to CETEST to SRTPST to SRTGMT to SRTUTC to SRTCET to SRT
Looking for local time? See time in Tehran or time in Paramaribo.

Frequently asked questions

What is the time difference between IRT and SRT right now?+
SRT (Suriname Time) is currently 6h 30m behind IRT (Iran Standard Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does IRT or SRT observe daylight saving time?+
IRT: does not observe daylight saving time. SRT: does not observe daylight saving time.
When is the best time to schedule a meeting between IRT and SRT?+
The strongest overlap is 16:00–16:00 IRT (09:30–09:30 SRT), giving 1 hour when both sides are within standard 9am-5pm working hours.
What time is it in Paramaribo when it is 12:00 noon in Tehran?+
When it is 12:00 Wed in Tehran (IRT), it is 05:30 Wed in Paramaribo (SRT).
Which IANA time zone identifiers are used for IRT and SRT?+
IRT maps to "Asia/Tehran" in the IANA database. SRT maps to "America/Paramaribo". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Tehran ahead of or behind Paramaribo?+
Whether Tehran (IRT) is ahead of or behind Paramaribo (SRT) depends on the current UTC offsets. Right now SRT is 6h 30m behind IRT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for IRT and SRT?+
IRT is UTC+03:30 (GMT+3:30) and SRT is UTC-03:00 (GMT-3). Both offsets shift by one hour when the corresponding region enters or exits daylight saving time, so the live values on this page are the source of truth.
Can I schedule meetings during business hours for both IRT and SRT?+
Yes. There are 1 hour of overlap during standard 9am-5pm working hours, with the strongest window at 16:00–16:00 IRT.