SRT to IRT Time Converter

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

Paramaribo · Suriname Time
17:58:01
Sunday, May 10, 2026
GMT-3 · UTC-03:00
Tehran · Iran Standard Time
00:28:01
Monday, May 11, 2026
GMT+3:30 · UTC+03:30

Convert a specific time

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

Daylight Saving status right now

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

When can SRT and IRT meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
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23
SRT
IRT
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Paramaribo (SRT). Each row shows the local working-hours state in that zone for the same moment in time.
2 hours of overlap during standard 9am-5pm working hours.
Best meeting window: 09:00–10:00 SRT (15:30–16:30 IRT).

Hour-by-hour SRT to IRT conversion table

SRT time (Paramaribo)IRT time (Tehran)Status
00:00 Sun06:30 SunOff-hours both sides
01:00 Sun07:30 SunOff-hours both sides
02:00 Sun08:30 SunOff-hours both sides
03:00 Sun09:30 SunIRT working
04:00 Sun10:30 SunIRT working
05:00 Sun11:30 SunIRT working
06:00 Sun12:30 SunIRT working
07:00 Sun13:30 SunIRT working
08:00 Sun14:30 SunIRT working
09:00 Sun15:30 SunBoth at work
10:00 Sun16:30 SunBoth at work
11:00 Sun17:30 SunSRT working
12:00 Sun18:30 SunSRT working
13:00 Sun19:30 SunSRT working
14:00 Sun20:30 SunSRT working
15:00 Sun21:30 SunSRT working
16:00 Sun22:30 SunSRT working
17:00 Sun23:30 SunOff-hours both sides
18:00 Sun00:30 MonOff-hours both sides
19:00 Sun01:30 MonOff-hours both sides
20:00 Sun02:30 MonOff-hours both sides
21:00 Sun03:30 MonOff-hours both sides
22:00 Sun04:30 MonOff-hours both sides
23:00 Sun05:30 MonOff-hours both sides

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

Suriname Time (SRT)
IANA identifier
America/Paramaribo
Current UTC offset
UTC-03:00
Current abbreviation
GMT-3
Major cities in this zone
Paramaribo
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

Sun today in Paramaribo and Tehran

Tehran
Sunrise
05:04
Sunset
18:59
Solar noon
12:02
Daylight
13h 55m

Related converters

IRT to SRT (reverse)SRT to ESTSRT to PSTSRT to GMTSRT to UTCSRT to CETEST to IRTPST to IRTGMT to IRTUTC to IRTCET to IRT
Looking for local time? See time in Paramaribo or time in Tehran.

Frequently asked questions

What is the time difference between SRT and IRT right now?+
IRT (Iran Standard Time) is currently 6h 30m ahead SRT (Suriname Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does SRT or IRT observe daylight saving time?+
SRT: does not observe daylight saving time. IRT: does not observe daylight saving time.
When is the best time to schedule a meeting between SRT and IRT?+
The strongest overlap is 09:00–10:00 SRT (15:30–16:30 IRT), giving 2 hours when both sides are within standard 9am-5pm working hours.
What time is it in Tehran when it is 12:00 noon in Paramaribo?+
When it is 12:00 Sun in Paramaribo (SRT), it is 18:30 Sun in Tehran (IRT).
Which IANA time zone identifiers are used for SRT and IRT?+
SRT maps to "America/Paramaribo" in the IANA database. IRT maps to "Asia/Tehran". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Paramaribo ahead of or behind Tehran?+
Whether Paramaribo (SRT) is ahead of or behind Tehran (IRT) depends on the current UTC offsets. Right now IRT is 6h 30m ahead SRT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for SRT and IRT?+
SRT is UTC-03:00 (GMT-3) and IRT is UTC+03:30 (GMT+3:30). 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 SRT and IRT?+
Yes. There are 2 hours of overlap during standard 9am-5pm working hours, with the strongest window at 09:00–10:00 SRT.