{"id":"vidhyamitra:city-day:siliguri:2012-09-21:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/siliguri/2012-09-21","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2012-09-21","date_display":"September 21, 2012 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2012,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456191.770833,"kali_year":5114,"ahargana":1867726.2708,"sun":{"sidereal_longitude":153.6645,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":218.0532,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3887,"elapsed_within_tithi_degrees":4.3887},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.0532,"elapsed_within_degrees":4.7199},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.7177},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":2012,"month":9,"day":21,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2456191.770833,"ahargana":1867726.2708,"kali_year":5114,"ayanamsa_lahiri":24.0307,"grahas":{"sun":{"sidereal_longitude":154.43346999999994,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":3},"retrograde":false},"moon":{"sidereal_longitude":221.04306999999994,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":3},"retrograde":false,"latitude":-0.0644},"mars":{"sidereal_longitude":204.62147000000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":16,"name":"Viśākhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":162.78787,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":51.71527000000003,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":4},"retrograde":false},"venus":{"sidereal_longitude":111.74727000000001,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":184.00937,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":218.874,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":38.874,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Not independently benchmarked across the declared range","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":2012,"month":9,"day":21,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2456191.770833,"kali_year":5114,"ahargana":1867726.2708,"sun":{"sidereal_longitude":153.6645,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":218.0532,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":64.3887,"elapsed_within_tithi_degrees":4.3887},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":218.0532,"elapsed_within_degrees":4.7199},"yoga":{"number":1,"name":"Viṣkambha","sum_longitude":11.7177},"karana":{"half_tithi_index":10,"name":"Kaulava"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.064,"elongation":64.389},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.064,"opposition_distance":115.611}},"eclipse_window_40days":[]},"city":{"slug":"siliguri","name":"Siliguri, West Bengal","lat":26.7271,"lon":88.3953,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"siliguri","name":"Siliguri, West Bengal","lat":26.7271,"lon":88.3953,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"05:24","sunsetLocal":"17:34","solarNoonLocal":"11:29","dayLengthHours":12.165377326229693,"dayLengthDisplay":"12 Hours 09 Mins 55 Secs","nightLengthDisplay":"11 Hours 50 Mins 05 Secs","moonriseLocal":"10:37","moonsetLocal":"21:13","rahuKala":{"name":"Rāhu Kāla","start":"09:57","end":"11:29","startHours":9.957765710842343,"endHours":11.478437876621054,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:31","end":"16:02","startHours":14.519782208178478,"endHours":16.04045437395719,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"06:55","end":"08:26","startHours":6.9164213792849205,"endHours":8.437093545063632,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:14","end":"08:38","startHours":8.234337256293138,"endHours":8.639849833834127,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:54","end":"06:14","startHours":5.902639935432446,"endHours":6.227049997465238,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:04","end":"11:53","startHours":11.072925299080067,"endHours":11.883950454162045,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:35","startHours":3.7736989033422494,"endHours":4.584724058424229,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:23","end":"05:24","startHours":4.381967769653734,"endHours":5.395749213506209,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:30","end":"14:19","startHours":13.506000764326005,"endHours":14.317025919407985,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:22","end":"17:46","startHours":17.361126539735903,"endHours":17.7611265397359,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:34","end":"18:04","startHours":17.561126539735902,"endHours":18.06801726166214,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:19","end":"19:04","startHours":17.311126539735902,"endHours":19.061126539735902,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:04","end":"23:53","startHours":23.07292529908007,"endHours":23.883950454162047,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"05:24","end":"06:55","startHours":5.395749213506209,"endHours":6.9164213792849205,"quality":"neutral"},{"name":"Labha","start":"06:55","end":"08:26","startHours":6.9164213792849205,"endHours":8.437093545063632,"quality":"auspicious"},{"name":"Amṛta","start":"08:26","end":"09:57","startHours":8.437093545063632,"endHours":9.957765710842343,"quality":"auspicious"},{"name":"Kāla","start":"09:57","end":"11:29","startHours":9.957765710842343,"endHours":11.478437876621054,"quality":"inauspicious"},{"name":"Śubha","start":"11:29","end":"13:00","startHours":11.478437876621054,"endHours":12.999110042399767,"quality":"auspicious"},{"name":"Roga","start":"13:00","end":"14:31","startHours":12.999110042399767,"endHours":14.519782208178478,"quality":"inauspicious"},{"name":"Udveg","start":"14:31","end":"16:02","startHours":14.519782208178478,"endHours":16.04045437395719,"quality":"inauspicious"},{"name":"Chala","start":"16:02","end":"17:34","startHours":16.04045437395719,"endHours":17.561126539735902,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:34","end":"19:02","startHours":17.561126539735902,"endHours":19.04045437395719,"quality":"inauspicious"},{"name":"Udveg","start":"19:02","end":"20:31","startHours":19.04045437395719,"endHours":20.51978220817848,"quality":"inauspicious"},{"name":"Chala","start":"20:31","end":"22:00","startHours":20.51978220817848,"endHours":21.999110042399767,"quality":"neutral"},{"name":"Labha","start":"22:00","end":"23:29","startHours":21.999110042399767,"endHours":23.478437876621054,"quality":"auspicious"},{"name":"Amṛta","start":"23:29","end":"00:57","startHours":23.478437876621054,"endHours":24.957765710842345,"quality":"auspicious"},{"name":"Kāla","start":"00:57","end":"02:26","startHours":24.957765710842345,"endHours":26.437093545063632,"quality":"inauspicious"},{"name":"Śubha","start":"02:26","end":"03:55","startHours":26.437093545063632,"endHours":27.91642137928492,"quality":"auspicious"},{"name":"Roga","start":"03:55","end":"05:24","startHours":27.91642137928492,"endHours":29.395749213506207,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:24","end":"06:24","startHours":5.395749213506209,"endHours":6.395749213506209,"planetary_lord":"Venus"},{"name":"Hora 2","start":"06:24","end":"07:24","startHours":6.395749213506209,"endHours":7.395749213506209,"planetary_lord":"Sun"},{"name":"Hora 3","start":"07:24","end":"08:24","startHours":7.395749213506209,"endHours":8.395749213506209,"planetary_lord":"Mars"},{"name":"Hora 4","start":"08:24","end":"09:24","startHours":8.395749213506209,"endHours":9.395749213506209,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"09:24","end":"10:24","startHours":9.395749213506209,"endHours":10.395749213506209,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"10:24","end":"11:24","startHours":10.395749213506209,"endHours":11.395749213506209,"planetary_lord":"Moon"},{"name":"Hora 7","start":"11:24","end":"12:24","startHours":11.395749213506209,"endHours":12.395749213506209,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"12:24","end":"13:24","startHours":12.395749213506209,"endHours":13.395749213506209,"planetary_lord":"Venus"},{"name":"Hora 9","start":"13:24","end":"14:24","startHours":13.395749213506209,"endHours":14.395749213506209,"planetary_lord":"Sun"},{"name":"Hora 10","start":"14:24","end":"15:24","startHours":14.395749213506209,"endHours":15.395749213506209,"planetary_lord":"Mars"},{"name":"Hora 11","start":"15:24","end":"16:24","startHours":15.395749213506209,"endHours":16.395749213506207,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"16:24","end":"17:24","startHours":16.395749213506207,"endHours":17.395749213506207,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"17:24","end":"18:24","startHours":17.395749213506207,"endHours":18.395749213506207,"planetary_lord":"Moon"},{"name":"Hora 14","start":"18:24","end":"19:24","startHours":18.395749213506207,"endHours":19.395749213506207,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"19:24","end":"20:24","startHours":19.395749213506207,"endHours":20.395749213506207,"planetary_lord":"Venus"},{"name":"Hora 16","start":"20:24","end":"21:24","startHours":20.395749213506207,"endHours":21.395749213506207,"planetary_lord":"Sun"},{"name":"Hora 17","start":"21:24","end":"22:24","startHours":21.395749213506207,"endHours":22.395749213506207,"planetary_lord":"Mars"},{"name":"Hora 18","start":"22:24","end":"23:24","startHours":22.395749213506207,"endHours":23.395749213506207,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"23:24","end":"00:24","startHours":23.395749213506207,"endHours":24.395749213506207,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"00:24","end":"01:24","startHours":24.395749213506207,"endHours":25.395749213506207,"planetary_lord":"Moon"},{"name":"Hora 21","start":"01:24","end":"02:24","startHours":25.395749213506207,"endHours":26.395749213506207,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"02:24","end":"03:24","startHours":26.395749213506207,"endHours":27.395749213506207,"planetary_lord":"Venus"},{"name":"Hora 23","start":"03:24","end":"04:24","startHours":27.395749213506207,"endHours":28.395749213506207,"planetary_lord":"Sun"},{"name":"Hora 24","start":"04:24","end":"05:24","startHours":28.395749213506207,"endHours":29.395749213506207,"planetary_lord":"Mars"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Revatī"],"unfavorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Citrā","Svātī","Viśākhā","Anurādhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Vṛścika","Makara"],"unfavorable_rashis":["Mithuna","Karka","Tulā","Dhanu","Kumbha","Mīna"]},"dishaShool":"West (Paścim)","chandraVasa":"North-East","rahuVasa":"South-East","anandadiYoga":{"name":"Vajra","quality":"Inauspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":0.6107878652104592,"eotMinutes":7.712527402736593,"ayanamsa":24.0307}},"calendars":{"vikram_samvat":2069,"vikram_samvatsara":"Viśvāvasu","saka_samvat":1934,"saka_samvatsara":"Nandana","bengali_samvat":1419,"malayalam_era":1188,"nanakshahi_year":543,"lunar_month":"Bhādrapada","lunar_month_paksha_full":"Bhādrapada Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Bhādrapada","lunar_month_amanta":"Bhādrapada","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Varṣā (Monsoon)","display_summary":"Bhādrapada Śukla Ṣaṣṭhī · Vikram 2069 Viśvāvasu · Śaka 1934 Nandana"},"festivals":[{"id":"subrahmanya-shashthi","name":"Subrahmaṇya Ṣaṣṭhī","name_sanskrit":"सुब्रह्मण्य षष्ठी","tradition":"Shaiva","associated_deity":"Kārttikeya","significance":"Worship of Kārttikeya as Subrahmaṇya.","vrata":true,"detection":{"tithi_number":6,"tithi_paksha":"Śukla","lunar_month":"Bhādrapada"},"precedence":4}],"todays_walk":{"walk":{"id":"shukra-walk","name":"Śukra Walk","name_sanskrit":"शुक्र यात्रा","type":"graha","description":"Beauty + creativity in dharma + BG 10.36.","step_count":5,"url":"/walk/shukra-walk"},"reason":"Dedicated festival walk for Subrahmaṇya Ṣaṣṭhī is not live yet; Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"siliguri"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga September 21, 2012 CE · Siliguri, West Bengal · Vidhyamitra","description":"September 21, 2012 CE for Siliguri, West Bengal: Śukla Ṣaṣṭhī, sūryodaya 05:24, sūryāsta 17:34.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/siliguri/2012-09-21","hreflang_alternates":{"en":"https://vidhyamitra.com/city/siliguri/2012-09-21","sa":"https://sa.vidhyamitra.com/city/siliguri/2012-09-21","hi":"https://hi.vidhyamitra.com/city/siliguri/2012-09-21","x-default":"https://vidhyamitra.com/city/siliguri/2012-09-21"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T09:26:05.203Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-08-10T09:26:05.203Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T09:26:05.203Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"},"reader_local_antaryami":{"reader_geography":"Every reader enters from their own kṣetra anywhere on Bhūmi; no single city is the universal center.","purna_chain":["Goloka/Vraja Rādhā-Krishna","Vaikuṇṭha Lakṣmī-Nārāyaṇa","Mahāviṣṇu/Kāraṇodakaśāyī Viṣṇu","Garbhodakaśāyī Viṣṇu","Brahmā","Kṣīrodaka Paramātmā/Antaryāmī (Kṣīrodakaśāyī Viṣṇu)","Bhūmi","reader's own kṣetra anywhere on Bhūmi","exact reading kṣetra","reader-bhakta","chitta/vāṇī/aṅgulī","keyboard-silicon-pathways","Vidhyāmitra substrate","reader/seer","Krishna"],"antaryami_responsibility_formula":"Kṣīrodakaśāyī Viṣṇu = Paramātmā = Antaryāmī. Jīva desires. Prakṛti executes through guṇas. Paramātmā witnesses, permits, remembers, guides, and sustains. Bhagavān is the ultimate source.","source_anchors":[{"label":"BG 13.23","path":"/bhagavad-gita/13/23","meaning":"upadraṣṭā-anumantā · witness-permitter"},{"label":"BG 15.15","path":"/bhagavad-gita/15/15","meaning":"the Lord seated in every heart as memory, knowledge, and forgetting"},{"label":"BG 18.61","path":"/bhagavad-gita/18/61","meaning":"Īśvara seated in the heart of all beings"}],"nama_seal":"Hare Krishna Hare Krishna · Krishna Krishna Hare Hare · Hare Rama Hare Rama · Rama Rama Hare Hare"}}}