{"id":"vidhyamitra:city-day:siliguri:2017-09-20:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/siliguri/2017-09-20","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"2017-09-20","date_display":"September 20, 2017 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":2017,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458016.770833,"kali_year":5119,"ahargana":1869551.2708,"sun":{"sidereal_longitude":152.4019,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":152.0138,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.6118,"elapsed_within_tithi_degrees":11.6118},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.0138,"elapsed_within_degrees":5.3471},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.4157},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"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":2017,"month":9,"day":20,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2458016.770833,"ahargana":1869551.2708,"kali_year":5119,"ayanamsa_lahiri":24.1005,"grahas":{"sun":{"sidereal_longitude":153.18094099999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":150.872841,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2},"retrograde":false,"latitude":2.2372},"mars":{"sidereal_longitude":134.92734099999996,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":1},"retrograde":false},"mercury":{"sidereal_longitude":137.95624099999998,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":181.29194099999995,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":125.663341,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":237.452541,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":122.1768,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":302.1768,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"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":2017,"month":9,"day":20,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2458016.770833,"kali_year":5119,"ahargana":1869551.2708,"sun":{"sidereal_longitude":152.4019,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":152.0138,"rashi":6,"rashi_name":"Kanyā"},"tithi":{"number":30,"name":"Amāvasyā","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Amāvasyā","elongation_degrees":359.6118,"elapsed_within_tithi_degrees":11.6118},"nakshatra":{"number":12,"name":"Uttara Phalgunī","pada":2,"moon_longitude":152.0138,"elapsed_within_degrees":5.3471},"yoga":{"number":23,"name":"Śubha","sum_longitude":304.4157},"karana":{"half_tithi_index":59,"name":"Nāga"},"vara":{"number":5,"name":"Budhavāra (Wednesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.237,"elongation":0.388},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.237,"opposition_distance":179.612}},"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":"05:23","sunsetLocal":"17:35","solarNoonLocal":"11:29","dayLengthHours":12.196972264796635,"dayLengthDisplay":"12 Hours 11 Mins 49 Secs","nightLengthDisplay":"11 Hours 48 Mins 11 Secs","moonriseLocal":"05:13","moonsetLocal":"17:26","rahuKala":{"name":"Rāhu Kāla","start":"11:29","end":"13:01","startHours":11.48453142064076,"endHours":13.00915295374034,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:55","end":"08:26","startHours":6.910666821342022,"endHours":8.435288354441601,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:58","end":"11:29","startHours":9.95990988754118,"endHours":11.48453142064076,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:14","end":"08:38","startHours":8.232005483361657,"endHours":8.638571225521545,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"05:54","end":"06:13","startHours":5.894252465942302,"endHours":6.219505059670213,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:05","end":"11:53","startHours":11.077965678480872,"endHours":11.891097162800648,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"03:46","end":"04:34","startHours":3.759782319602891,"endHours":4.572913803922667,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"04:22","end":"05:23","startHours":4.369630932842723,"endHours":5.3860452882424426,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:31","end":"14:20","startHours":13.5173601314402,"endHours":14.330491615759975,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:23","end":"17:47","startHours":17.38301755303908,"endHours":17.783017553039077,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:35","end":"18:05","startHours":17.583017553039078,"endHours":18.091224730738936,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:20","end":"19:05","startHours":17.333017553039078,"endHours":19.083017553039078,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:05","end":"23:53","startHours":23.077965678480872,"endHours":23.891097162800648,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Labha","start":"05:23","end":"06:55","startHours":5.3860452882424426,"endHours":6.910666821342022,"quality":"auspicious"},{"name":"Amṛta","start":"06:55","end":"08:26","startHours":6.910666821342022,"endHours":8.435288354441601,"quality":"auspicious"},{"name":"Kāla","start":"08:26","end":"09:58","startHours":8.435288354441601,"endHours":9.95990988754118,"quality":"inauspicious"},{"name":"Śubha","start":"09:58","end":"11:29","startHours":9.95990988754118,"endHours":11.48453142064076,"quality":"auspicious"},{"name":"Roga","start":"11:29","end":"13:01","startHours":11.48453142064076,"endHours":13.00915295374034,"quality":"inauspicious"},{"name":"Udveg","start":"13:01","end":"14:32","startHours":13.00915295374034,"endHours":14.533774486839919,"quality":"inauspicious"},{"name":"Chala","start":"14:32","end":"16:04","startHours":14.533774486839919,"endHours":16.058396019939497,"quality":"neutral"},{"name":"Labha","start":"16:04","end":"17:35","startHours":16.058396019939497,"endHours":17.583017553039078,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Udveg","start":"17:35","end":"19:04","startHours":17.583017553039078,"endHours":19.058396019939497,"quality":"inauspicious"},{"name":"Chala","start":"19:04","end":"20:32","startHours":19.058396019939497,"endHours":20.533774486839917,"quality":"neutral"},{"name":"Labha","start":"20:32","end":"22:01","startHours":20.533774486839917,"endHours":22.00915295374034,"quality":"auspicious"},{"name":"Amṛta","start":"22:01","end":"23:29","startHours":22.00915295374034,"endHours":23.48453142064076,"quality":"auspicious"},{"name":"Kāla","start":"23:29","end":"00:58","startHours":23.48453142064076,"endHours":24.95990988754118,"quality":"inauspicious"},{"name":"Śubha","start":"00:58","end":"02:26","startHours":24.95990988754118,"endHours":26.435288354441603,"quality":"auspicious"},{"name":"Roga","start":"02:26","end":"03:55","startHours":26.435288354441603,"endHours":27.910666821342023,"quality":"inauspicious"},{"name":"Udveg","start":"03:55","end":"05:23","startHours":27.910666821342023,"endHours":29.386045288242443,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"05:23","end":"06:23","startHours":5.3860452882424426,"endHours":6.3860452882424426,"planetary_lord":"Mercury"},{"name":"Hora 2","start":"06:23","end":"07:23","startHours":6.3860452882424426,"endHours":7.3860452882424426,"planetary_lord":"Venus"},{"name":"Hora 3","start":"07:23","end":"08:23","startHours":7.3860452882424426,"endHours":8.386045288242443,"planetary_lord":"Sun"},{"name":"Hora 4","start":"08:23","end":"09:23","startHours":8.386045288242443,"endHours":9.386045288242443,"planetary_lord":"Mars"},{"name":"Hora 5","start":"09:23","end":"10:23","startHours":9.386045288242443,"endHours":10.386045288242443,"planetary_lord":"Jupiter"},{"name":"Hora 6","start":"10:23","end":"11:23","startHours":10.386045288242443,"endHours":11.386045288242443,"planetary_lord":"Saturn"},{"name":"Hora 7","start":"11:23","end":"12:23","startHours":11.386045288242443,"endHours":12.386045288242443,"planetary_lord":"Moon"},{"name":"Hora 8","start":"12:23","end":"13:23","startHours":12.386045288242443,"endHours":13.386045288242443,"planetary_lord":"Mercury"},{"name":"Hora 9","start":"13:23","end":"14:23","startHours":13.386045288242443,"endHours":14.386045288242443,"planetary_lord":"Venus"},{"name":"Hora 10","start":"14:23","end":"15:23","startHours":14.386045288242443,"endHours":15.386045288242443,"planetary_lord":"Sun"},{"name":"Hora 11","start":"15:23","end":"16:23","startHours":15.386045288242443,"endHours":16.386045288242443,"planetary_lord":"Mars"},{"name":"Hora 12","start":"16:23","end":"17:23","startHours":16.386045288242443,"endHours":17.386045288242443,"planetary_lord":"Jupiter"},{"name":"Hora 13","start":"17:23","end":"18:23","startHours":17.386045288242443,"endHours":18.386045288242443,"planetary_lord":"Saturn"},{"name":"Hora 14","start":"18:23","end":"19:23","startHours":18.386045288242443,"endHours":19.386045288242443,"planetary_lord":"Moon"},{"name":"Hora 15","start":"19:23","end":"20:23","startHours":19.386045288242443,"endHours":20.386045288242443,"planetary_lord":"Mercury"},{"name":"Hora 16","start":"20:23","end":"21:23","startHours":20.386045288242443,"endHours":21.386045288242443,"planetary_lord":"Venus"},{"name":"Hora 17","start":"21:23","end":"22:23","startHours":21.386045288242443,"endHours":22.386045288242443,"planetary_lord":"Sun"},{"name":"Hora 18","start":"22:23","end":"23:23","startHours":22.386045288242443,"endHours":23.386045288242443,"planetary_lord":"Mars"},{"name":"Hora 19","start":"23:23","end":"00:23","startHours":23.386045288242443,"endHours":24.386045288242443,"planetary_lord":"Jupiter"},{"name":"Hora 20","start":"00:23","end":"01:23","startHours":24.386045288242443,"endHours":25.386045288242443,"planetary_lord":"Saturn"},{"name":"Hora 21","start":"01:23","end":"02:23","startHours":25.386045288242443,"endHours":26.386045288242443,"planetary_lord":"Moon"},{"name":"Hora 22","start":"02:23","end":"03:23","startHours":26.386045288242443,"endHours":27.386045288242443,"planetary_lord":"Mercury"},{"name":"Hora 23","start":"03:23","end":"04:23","startHours":27.386045288242443,"endHours":28.386045288242443,"planetary_lord":"Venus"},{"name":"Hora 24","start":"04:23","end":"05:23","startHours":28.386045288242443,"endHours":29.386045288242443,"planetary_lord":"Sun"}],"taraBala":{"favorable_nakshatras":["Rohiṇī","Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Hasta","Citrā","Svātī","Viśākhā","Anurādhā","Śravaṇa","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Aśleṣā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Jyeṣṭhā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Kanyā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Tulā","Dhanu","Makara"]},"dishaShool":"North (Uttara)","chandraVasa":"North-West","rahuVasa":"South-West","anandadiYoga":{"name":"Mātaṇga","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon)","vedicRitu":"Varṣā (Monsoon)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":1.0809176191929937,"eotMinutes":7.346914761554353,"ayanamsa":24.1005}},"calendars":{"vikram_samvat":2074,"vikram_samvatsara":"Sādhāraṇa","saka_samvat":1939,"saka_samvatsara":"Hemalambī","bengali_samvat":1424,"malayalam_era":1193,"nanakshahi_year":548,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Āśvina","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":"Śarad (Autumn)","display_summary":"Āśvina Kṛṣṇa Amāvasyā · Vikram 2074 Sādhāraṇa · Śaka 1939 Hemalambī"},"festivals":[{"id":"mahalaya-amavasya","name":"Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā)","name_sanskrit":"महालय अमावस्या","tradition":"Pan-Hindu","associated_deity":"Pitṛ-deva","significance":"Final day of Pitṛ-Pakṣa; tarpaṇa for all ancestors.","vrata":true,"detection":{"tithi_number":30,"tithi_paksha":"Kṛṣṇa","lunar_month":"Āśvina"},"precedence":1}],"todays_walk":{"walk":{"id":"budha-walk","name":"Budha Walk","name_sanskrit":"बुध यात्रा","type":"graha","description":"Discrimination + BG 2.41 (vyavasāyātmikā buddhi).","step_count":6,"url":"/walk/budha-walk"},"reason":"Dedicated festival walk for Mahālaya Amāvasyā (Sarvapitṛ Amāvasyā) is not live yet; Budhavāra (Wednesday) — 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 20, 2017 CE · Siliguri, West Bengal · Vidhyamitra","description":"September 20, 2017 CE for Siliguri, West Bengal: Kṛṣṇa Amāvasyā, sūryodaya 05:23, sūryāsta 17:35.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/siliguri/2017-09-20","hreflang_alternates":{"en":"https://vidhyamitra.com/city/siliguri/2017-09-20","sa":"https://sa.vidhyamitra.com/city/siliguri/2017-09-20","hi":"https://hi.vidhyamitra.com/city/siliguri/2017-09-20","x-default":"https://vidhyamitra.com/city/siliguri/2017-09-20"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-08-10T09:32:27.211Z","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":"2026-08-10T09:32:27.211Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-08-10T09:32:27.211Z","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"}}}