[tz] [PATCH] Update Bahrain as per article in The National
asb110273 at gmail.com
Sat Jul 25 20:36:50 UTC 2020
The article linked to below has one line referring to Oman being on UTC
+6.5 that doesn't appear to be correct.
I sent the below to the author, but did not hear back. Does anyone know if
there is some history of Oman being on UTC +6.5?
"Hi Ashleigh. I just read your article at
It's very interesting. But I noticed one apparent inconsistency that I'm
curious about. The article says "At the time [referring to 1944], other
time zones in the Arabian Gulf included Basra (Iraq) GMT +3 and Jiwani
(Oman) at GMT +6.5", yet later in the article it says that Oman has used
GMT +4 since 1920. Is this +6.5 correct for Oman? If so, what is the
history of it?
"Also, for whatever it's worth, googling for Jiwani, I find that it is in
Pakistan, not Oman. And neither Pakistan nor Oman are along the Arabian
Gulf (other than the Musandam Peninsula). From what I could find, it
doesn't appear that this part of Pakistan or Oman ever used GMT +6.5. But
if there is some history about either place having used this time zone, I'm
very curious about it."
On Wed, Jul 22, 2020 at 4:39 PM Paul Eggert <eggert at cs.ucla.edu> wrote:
> * backzone (Asia/Bahrain): Adjust transitions before 1944 to
> match Ashleigh Stewart’s article in today’s The National (Abu Dhabi).
> backzone | 17 ++++++++++++++++-
> 1 file changed, 16 insertions(+), 1 deletion(-)
> diff --git a/backzone b/backzone
> index 91fa21d..7cf026d 100644
> --- a/backzone
> +++ b/backzone
> @@ -459,7 +459,22 @@ Zone Asia/Aden 2:59:54 - LMT
> 3:00 - +03
> # Bahrain
> -Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah
> +# From Paul Eggert (2020-07-22):
> +# Most of this data comes from:
> +# Stewart A. Why Gulf Standard Time is far from standard: the fascinating
> +# behind the time zone's invention. The National (Abu Dhabi). 2020-07-22.
> +# Stewart writes that before 1940 some companies in Bahrain were at +0330
> +# others at +0323. Reginald George Alban, a British political agent
> based in
> +# Manama, worked to standardize this, and from 1941-07-20 Bahrain was at
> +# +0330. However, BOAC asked that clocks be moved to gain more light at
> +# end, so Bahrain switched to +04 on 1944-01-01.
> +# We don't know when companies chose +0330 or +0323 before 1940; for now
> +# assume that there was no real standard in Bahrain before 1941-07-20.
> +Zone Asia/Bahrain 3:22:20 - LMT 1941 Jul 20 # Manamah
> + 3:30 - +0330 1944 Jan 1
> 4:00 - +04 1972 Jun
> 3:00 - +03
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