[tz] [PATCH] Update Bahrain as per article in The National

[Aaron Brown]

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
https://thenational.ae/arts-culture/why-gulf-standard-time-is-far-from-standard-the-fascinating-story-behind-the-time-zone-s-invention-1.1052589.
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."

Aaron


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
>  1950
>                         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
> story
> +# behind the time zone's invention. The National (Abu Dhabi). 2020-07-22.
> +#
> https://www.thenational.ae/arts-culture/why-gulf-standard-time-is-far-from-standard-the-fascinating-story-behind-the-time-zone-s-invention-1.1052589
> +# Stewart writes that before 1940 some companies in Bahrain were at +0330
> and
> +# 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
> day's
> +# 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
>
> --
> 2.17.1
>
>
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