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Bangladesh Standard Time (BST) maintains an offset of precisely six hours ahead of Coordinated Universal Time (UTC).
Answer: True
Explanation: The source confirms that Bangladesh Standard Time (BST) is synchronized with Coordinated Universal Time (UTC) by being exactly six hours in advance.
The IANA time zone identifier designated for Bangladesh Standard Time is 'Asia/Calcutta'.
Answer: False
Explanation: The correct IANA time zone identifier for Bangladesh Standard Time is 'Asia/Dhaka', not 'Asia/Calcutta'.
The official time for Bangladesh Standard Time is determined by the 90.00° West longitude meridian.
Answer: False
Explanation: Bangladesh Standard Time is based on the 90.00° East longitude meridian, not West.
The 90.00° E longitude meridian, which defines BST, passes through the Manikganj District.
Answer: True
Explanation: The 90.00° E longitude meridian, the basis for Bangladesh Standard Time, traverses the Manikganj District.
On maps of South Asia, Bangladesh's time zone is typically colored green.
Answer: False
Explanation: According to the provided information, Bangladesh's time zone is represented by an olive color on maps, not green.
Bangladesh Standard Time is represented by the IANA identifier 'Asia/Dhaka'.
Answer: True
Explanation: The IANA time zone database officially designates Bangladesh Standard Time using the identifier 'Asia/Dhaka'.
The Bengali name for Bangladesh Standard Time is 'Dhaka Shomoy'.
Answer: False
Explanation: The correct Bengali name for Bangladesh Standard Time is 'Bangladesh Maan Shomoy' (বাংলাদেশ মান সময়).
The Harukandi Union is significant because the 90.00° E meridian, defining BST, passes through it.
Answer: True
Explanation: The Harukandi Union holds geographical significance as the 90.00° E longitude meridian, which determines Bangladesh Standard Time, passes directly through it.
What is the standard UTC offset for Bangladesh Standard Time (BST)?
Answer: UTC+06:00
Explanation: The standard UTC offset for Bangladesh Standard Time (BST) is UTC+06:00.
Which IANA time zone identifier corresponds to Bangladesh Standard Time?
Answer: Asia/Dhaka
Explanation: The IANA time zone database officially designates Bangladesh Standard Time using the identifier 'Asia/Dhaka'.
The official time signal for Bangladesh Standard Time is based on which geographical meridian?
Answer: 90.00° E longitude
Explanation: The official time signal for Bangladesh Standard Time is determined based on the 90.00° E longitude meridian.
In which district does the 90.00° E longitude meridian pass through, according to the source?
Answer: Manikganj District
Explanation: The 90.00° E longitude meridian, which defines Bangladesh Standard Time, passes through the Manikganj District.
What is the Bengali name for Bangladesh Standard Time?
Answer: Bangladesh Maan Shomoy
Explanation: The correct Bengali name for Bangladesh Standard Time is 'Bangladesh Maan Shomoy' (বাংলাদেশ মান সময়).
Prior to 1941, Bengal utilized a time system referred to as Dacca Time (DACT).
Answer: False
Explanation: Before 1941, Bengal observed Calcutta Time. Dacca Time (DACT) was introduced later, in 1951.
Calcutta Time, utilized in Bengal before 1941, possessed a UTC offset of UTC+5:53:20.
Answer: True
Explanation: Historical records confirm that Calcutta Time, observed in Bengal from 1890 to 1941, had a UTC offset of UTC+05:53:20.
During the 1940s, Bangladesh experienced multiple time zone shifts due to World War II.
Answer: True
Explanation: The temporal landscape of the region was affected by multiple time zone changes during the 1940s, a period significantly shaped by the global conflict of World War II.
Dacca Time (DACT) was introduced in East Bengal with an offset of UTC+06:30.
Answer: False
Explanation: Dacca Time (DACT), introduced in 1951, had an offset of UTC+06:00. The UTC+06:30 offset was observed during a period in the 1940s.
Bangladesh officially implemented Dacca Time (DACT) on September 15, 1951.
Answer: False
Explanation: Dacca Time (DACT) was officially implemented in East Bengal on September 30, 1951, not September 15.
The time zone changes in the 1940s were primarily driven by the need to standardize time across different provinces.
Answer: False
Explanation: The temporal shifts during the 1940s were predominantly influenced by the context of World War II, rather than provincial standardization efforts.
What time system was used in Bengal from 1890 to 1941?
Answer: Calcutta Time
Explanation: From 1890 to 1941, the time system observed in Bengal was known as Calcutta Time.
What time offset did Dacca Time (DACT), introduced in 1951, have?
Answer: UTC+06:00
Explanation: Dacca Time (DACT), introduced in 1951, operated at a UTC offset of UTC+06:00.
Which historical global event influenced the temporal adjustments and time zone modifications observed in British India during the 1940s?
Answer: World War II
Explanation: The time zone shifts occurring in British India throughout the 1940s were substantially influenced by the global conflict of World War II.
What was the UTC offset of Calcutta Time, used in Bengal before 1941?
Answer: UTC+05:53:20
Explanation: Calcutta Time, observed in Bengal from 1890 to 1941, had a UTC offset of UTC+05:53:20.
What sequence of UTC offsets was observed in the region during 1942?
Answer: UTC+06:30 to UTC+05:30, then back to UTC+06:30
Explanation: In 1942, the region first shifted to UTC+05:30 on May 15, and subsequently reverted to UTC+06:30 on September 1.
What was the main objective behind the introduction of Dacca Time (DACT) in 1951?
Answer: To establish a standardized time zone for East Bengal based on UTC+06:00.
Explanation: The introduction of Dacca Time (DACT) in 1951 served to establish a standardized time zone for East Bengal, creating the basis for the current Bangladesh Standard Time.
Bangladesh has never observed Daylight Saving Time (DST).
Answer: False
Explanation: Bangladesh did observe Daylight Saving Time (DST) briefly in 2009 as a measure to address an energy crisis.
The primary reason for implementing DST in Bangladesh in 2009 was to reduce energy consumption.
Answer: True
Explanation: The principal impetus for the implementation of Daylight Saving Time (DST) in Bangladesh during 2009 was the imperative to mitigate energy consumption.
Bangladesh commenced its DST observation in 2009 on June 19th.
Answer: True
Explanation: The observation of Daylight Saving Time in Bangladesh commenced on the midnight of June 19, 2009.
During the 2009 DST period, Bangladesh's time was advanced by two hours.
Answer: False
Explanation: During the 2009 DST period, the time in Bangladesh was advanced by one hour, not two.
When DST was active in 2009, Bangladesh's time zone shifted to UTC+07:00.
Answer: True
Explanation: During the DST period in 2009, Bangladesh's time zone was adjusted from its standard UTC+06:00 to UTC+07:00.
The 2009 DST initiative successfully conserved energy and significantly improved the load-shedding situation.
Answer: False
Explanation: The DST initiative did not achieve its intended goals; potential energy savings were offset by increased consumption, and the load-shedding situation saw no significant improvement.
Difficulties for students and teachers leaving for institutions before sunrise were reported as a negative consequence of the 2009 DST.
Answer: True
Explanation: A notable negative consequence of the 2009 DST implementation was the challenge faced by students and teachers who had to commute to their educational institutions before sunrise.
The power demand in Bangladesh during the 2009 crisis ranged between 4,800 and 5,800 MW.
Answer: True
Explanation: During the 2009 energy crisis, power demand was estimated to be between 4,800 and 5,800 MW, significantly exceeding generation capacity.
The DST implementation in 2009 led to increased electricity consumption for individuals with limited prior access.
Answer: True
Explanation: The DST scheme in 2009 resulted in increased electricity consumption among individuals who previously had limited access to power, thereby offsetting potential energy savings.
What was the primary reason Bangladesh implemented Daylight Saving Time (DST) in 2009?
Answer: To reduce energy consumption during an electricity crisis.
Explanation: The principal impetus for the implementation of Daylight Saving Time (DST) in Bangladesh during 2009 was the imperative to mitigate energy consumption amidst a pronounced electricity crisis.
On what date did Bangladesh begin observing Daylight Saving Time in 2009?
Answer: June 19, 2009
Explanation: The observation of Daylight Saving Time in Bangladesh commenced on the midnight of June 19, 2009.
What was the UTC offset for Bangladesh during the Daylight Saving Time period in 2009?
Answer: UTC+07:00
Explanation: When DST was observed in 2009, Bangladesh's time zone was adjusted from its standard UTC+06:00 to UTC+07:00.
Which of the following was a reported negative consequence of the 2009 DST implementation?
Answer: Difficulties for students and teachers commuting before sunrise.
Explanation: A notable negative consequence of the 2009 DST implementation was the challenge faced by students and teachers who had to commute to their educational institutions before sunrise.
Why was the month of June chosen to start DST in Bangladesh in 2009, rather than earlier months?
Answer: To avoid conflict with the Higher Secondary Certificate (HSC) examinations.
Explanation: June was chosen for DST implementation in 2009 to accommodate the schedule of the Higher Secondary Certificate (HSC) examinations, which concluded on May 28.
Did the 2009 DST implementation achieve its goal of conserving energy?
Answer: No, potential savings were offset by increased consumption.
Explanation: The DST initiative did not achieve its intended goals; potential energy savings were offset by increased consumption, and the load-shedding situation saw no significant improvement.
What was the planned duration for the DST observation in Bangladesh during 2009?
Answer: Approximately two months (June 19 - Sept 30)
Explanation: The DST observation in Bangladesh during 2009 was planned to last for approximately two months, from June 19 to September 30.
How did the 2009 DST implementation affect electricity consumption for some households?
Answer: It increased consumption for those with limited prior access.
Explanation: The DST scheme in 2009 resulted in increased electricity consumption among individuals who previously had limited access to power, thereby offsetting potential energy savings.
Bangladesh reverted to standard time on September 30, 2009, as initially planned after the 2009 DST period.
Answer: False
Explanation: The initial plan was to revert on September 30, 2009, but Bangladesh officially returned to standard time on December 31, 2009.
Bangladesh permanently cancelled its DST scheme in 2010.
Answer: True
Explanation: In 2010, Bangladesh formally concluded its observance of Daylight Saving Time on a permanent basis.
The Bangladeshi cabinet cited economic benefits as the reason for permanently cancelling DST in 2010.
Answer: False
Explanation: The Bangladeshi cabinet cited 'public interest' as the principal reason for its decision to permanently discontinue the Daylight Saving Time scheme in 2010, not economic benefits.
Currently, Bangladesh observes Daylight Saving Time annually from March to October.
Answer: False
Explanation: Daylight Saving Time is not currently observed in Bangladesh; the country consistently adheres to Bangladesh Standard Time (BST).
The official website for Bangladesh Standard Time is time.gov.bd.
Answer: True
Explanation: The designated official online portal for information regarding Bangladesh Standard Time is time.gov.bd.
The Bangladesh Standards and Testing Institution (BSTI) is responsible for maintaining the official BST website.
Answer: True
Explanation: The Bangladesh Standards and Testing Institution (BSTI) is indeed the entity responsible for the upkeep and management of the official website, time.gov.bd.
The planned DST observance in 2010 was scheduled to run from March 31st to October 31st.
Answer: True
Explanation: Before its permanent cancellation, DST was scheduled to be observed in Bangladesh from March 31 to October 31 in 2010.
When did Bangladesh officially revert to its standard time (UTC+06:00) after the 2009 DST experiment?
Answer: December 31, 2009
Explanation: Bangladesh reverted to its standard time of UTC+06:00 at midnight on December 31, 2009, following the conclusion of the 2009 DST experiment.
What action did the Bangladeshi cabinet take regarding DST in 2010?
Answer: Decided to permanently cancel the DST scheme.
Explanation: In 2010, the cabinet decided to permanently cancel the DST scheme, citing public interest as the reason.
On what date did the Bangladeshi cabinet decide to permanently cancel the DST scheme?
Answer: March 22, 2010
Explanation: The Bangladeshi cabinet made the decision to permanently cancel the DST scheme on March 22, 2010.
What is the current status of Daylight Saving Time observance in Bangladesh?
Answer: It is not currently observed.
Explanation: Daylight Saving Time is not currently observed in Bangladesh; the country consistently adheres to Bangladesh Standard Time (BST).
Which institution maintains the official website time.gov.bd for Bangladesh Standard Time?
Answer: Bangladesh Standards and Testing Institution (BSTI)
Explanation: The Bangladesh Standards and Testing Institution (BSTI) is the entity responsible for maintaining the official website for Bangladesh Standard Time, time.gov.bd.
What reason did the Bangladeshi cabinet cite for permanently cancelling the DST scheme in 2010?
Answer: Public interest.
Explanation: The Bangladeshi cabinet cited 'public interest' as the principal reason for its decision to permanently discontinue the Daylight Saving Time scheme in 2010.
What was the planned schedule for DST observance in Bangladesh in 2010 before the scheme was cancelled?
Answer: March 31 to October 31
Explanation: Before its permanent cancellation, DST was scheduled to be observed in Bangladesh from March 31 to October 31 in 2010.