NRT to CUB Time Converter

Convert Nauru Time (NRT) to Cuba Standard Time (CUB). Both time zones are shown live below; current offset between them is 16 hours behind.

Yaren · Nauru Time
02:34:50
Thursday, May 14, 2026
GMT+12 · UTC+12:00
Havana · Cuba Standard Time
10:34:50
Wednesday, May 13, 2026
GMT-4 · UTC-04:00

Convert a specific time

From: NRT (Yaren)
To: CUB (Havana)
--:--

Daylight Saving status right now

NRT (Nauru Time)
Observes DST
No
CUB (Cuba Standard Time)
Observes DST
Yes
In DST right now
Yes
Next fall back
2026-11-01
Offset shift
UTC-04:00 → UTC-05:00

Heads up: CUB observes DST while NRT does not. The 16-hour difference shown above will shift by one hour when CUB starts or ends DST.

When can NRT and CUB meet?

00
01
02
03
04
05
06
07
08
09
10
11
12
13
14
15
16
17
18
19
20
21
22
23
NRT
CUB
Both zones in working hours (9am-5pm)
One zone working
Off-hours
Columns are hours of the day in Yaren (NRT). Each row shows the local working-hours state in that zone for the same moment in time.
No overlap during strict 9-5 working hours; some flexibility needed.
If both sides are willing to extend to 8am-7pm, the available window is 08:00–10:00 NRT (16:00–18:00 CUB).

Hour-by-hour NRT to CUB conversion table

NRT time (Yaren)CUB time (Havana)Status
00:00 Thu08:00 WedOff-hours both sides
01:00 Thu09:00 WedCUB working
02:00 Thu10:00 WedCUB working
03:00 Thu11:00 WedCUB working
04:00 Thu12:00 WedCUB working
05:00 Thu13:00 WedCUB working
06:00 Thu14:00 WedCUB working
07:00 Thu15:00 WedCUB working
08:00 Thu16:00 WedCUB working
09:00 Thu17:00 WedNRT working
10:00 Thu18:00 WedNRT working
11:00 Thu19:00 WedNRT working
12:00 Thu20:00 WedNRT working
13:00 Thu21:00 WedNRT working
14:00 Thu22:00 WedNRT working
15:00 Thu23:00 WedNRT working
16:00 Thu00:00 ThuNRT working
17:00 Thu01:00 ThuOff-hours both sides
18:00 Thu02:00 ThuOff-hours both sides
19:00 Thu03:00 ThuOff-hours both sides
20:00 Thu04:00 ThuOff-hours both sides
21:00 Thu05:00 ThuOff-hours both sides
22:00 Thu06:00 ThuOff-hours both sides
23:00 Thu07:00 ThuOff-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

Nauru Time (NRT)
IANA identifier
Pacific/Nauru
Current UTC offset
UTC+12:00
Current abbreviation
GMT+12
Major cities in this zone
Yaren
Cuba Standard Time (CUB)
IANA identifier
America/Havana
Current UTC offset
UTC-04:00
Current abbreviation
GMT-4
Major cities in this zone
Havana

Related converters

CUB to NRT (reverse)NRT to ESTNRT to PSTNRT to GMTNRT to UTCNRT to CETEST to CUBPST to CUBGMT to CUBUTC to CUBCET to CUB
Looking for local time? See time in Yaren or time in Havana.

Frequently asked questions

What is the time difference between NRT and CUB right now?+
CUB (Cuba Standard Time) is currently 16 hours behind NRT (Nauru Time). The exact difference can change when one or both zones transition into or out of daylight saving time.
Does NRT or CUB observe daylight saving time?+
NRT: does not observe daylight saving time. CUB: observes daylight saving time.
When is the best time to schedule a meeting between NRT and CUB?+
Standard 9-5 hours do not overlap. Extending to 8am-7pm gives a window of 08:00–10:00 NRT (16:00–18:00 CUB).
What time is it in Havana when it is 12:00 noon in Yaren?+
When it is 12:00 Thu in Yaren (NRT), it is 20:00 Wed in Havana (CUB).
Which IANA time zone identifiers are used for NRT and CUB?+
NRT maps to "Pacific/Nauru" in the IANA database. CUB maps to "America/Havana". These identifiers are what most software libraries use to convert times accurately, including DST handling.
Is Yaren ahead of or behind Havana?+
Whether Yaren (NRT) is ahead of or behind Havana (CUB) depends on the current UTC offsets. Right now CUB is 16 hours behind NRT. The live converter and side-by-side clocks above always reflect the current direction.
What are the current UTC offsets for NRT and CUB?+
NRT is UTC+12:00 (GMT+12) and CUB is UTC-04:00 (GMT-4). 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 NRT and CUB?+
Not during a strict 9am-5pm window. If both sides flex to 8am-7pm, the available meeting window between NRT and CUB is 08:00–10:00 NRT.