{"id":"vidhyamitra:city-day:howrah:1920-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1920-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1920-01-27","date_display":"January 27, 1920 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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1920,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422350.770833,"kali_year":5021,"ahargana":1833885.2708,"sun":{"sidereal_longitude":283.239,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.5552,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.3162,"elapsed_within_tithi_degrees":11.3162},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.5552,"elapsed_within_degrees":7.8885},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.7941},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"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":1920,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2422350.770833,"ahargana":1833885.2708,"kali_year":5021,"ayanamsa_lahiri":22.7364,"grahas":{"sun":{"sidereal_longitude":283.07054500000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false},"moon":{"sidereal_longitude":352.598245,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false,"latitude":2.73},"mars":{"sidereal_longitude":186.45484499999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":277.565345,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false},"jupiter":{"sidereal_longitude":111.72064499999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":2},"retrograde":true},"venus":{"sidereal_longitude":245.382245,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":19,"name":"Mūla","pada":2},"retrograde":false},"saturn":{"sidereal_longitude":138.33694500000001,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":11,"name":"Pūrva Phalgunī","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":211.9331,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":16,"name":"Viśākhā","pada":4},"retrograde":false},"ketu":{"sidereal_longitude":31.9331,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":3,"name":"Kṛttikā","pada":2},"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":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1920,"month":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2422350.770833,"kali_year":5021,"ahargana":1833885.2708,"sun":{"sidereal_longitude":283.239,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":354.5552,"rashi":12,"rashi_name":"Mīna"},"tithi":{"number":6,"name":"Ṣaṣṭhī","paksha":"Śukla","full_name":"Śukla Ṣaṣṭhī","elongation_degrees":71.3162,"elapsed_within_tithi_degrees":11.3162},"nakshatra":{"number":27,"name":"Revatī","pada":3,"moon_longitude":354.5552,"elapsed_within_degrees":7.8885},"yoga":{"number":21,"name":"Siddha","sum_longitude":277.7941},"karana":{"half_tithi_index":11,"name":"Taitila"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":2.73,"elongation":71.316},"lunar":{"type":"lunar","occurs":false,"moon_latitude":2.73,"opposition_distance":108.684}},"eclipse_window_40days":[]},"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"howrah","name":"Howrah, West Bengal","lat":22.5958,"lon":88.2636,"tz_offset_hours":5.5,"state":"West Bengal","country":"IN","tier":"tier-1"},"sunriseLocal":"06:18","sunsetLocal":"17:21","solarNoonLocal":"11:50","dayLengthHours":11.041144399172815,"dayLengthDisplay":"11 Hours 02 Mins 28 Secs","nightLengthDisplay":"12 Hours 57 Mins 32 Secs","moonriseLocal":"10:15","moonsetLocal":"22:40","rahuKala":{"name":"Rāhu Kāla","start":"14:35","end":"15:58","startHours":14.588792858241188,"endHours":15.96893590813779,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:04","end":"10:27","startHours":9.06822065865478,"endHours":10.448363708551383,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:50","end":"13:13","startHours":11.828506758447986,"endHours":13.208649808344587,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:15","startHours":8.884201585335234,"endHours":9.252239731974328,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:04","startHours":6.767982242160445,"endHours":7.06241275947172,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:12","startHours":11.460468611808892,"endHours":12.19654490508708,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:34","startHours":4.8357819723052025,"endHours":5.571858265583391,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:18","startHours":5.387839192263844,"endHours":6.307934558861578,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:40","end":"14:24","startHours":13.668697491643455,"endHours":14.404773784921643,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:09","end":"17:33","startHours":17.149078958034394,"endHours":17.549078958034393,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:21","end":"17:49","startHours":17.349078958034394,"endHours":17.80912664133326,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:06","end":"18:51","startHours":17.099078958034394,"endHours":18.849078958034394,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:12","startHours":23.460468611808892,"endHours":24.19654490508708,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:18","end":"07:41","startHours":6.307934558861578,"endHours":7.68807760875818,"quality":"inauspicious"},{"name":"Udveg","start":"07:41","end":"09:04","startHours":7.68807760875818,"endHours":9.06822065865478,"quality":"inauspicious"},{"name":"Chala","start":"09:04","end":"10:27","startHours":9.06822065865478,"endHours":10.448363708551383,"quality":"neutral"},{"name":"Labha","start":"10:27","end":"11:50","startHours":10.448363708551383,"endHours":11.828506758447986,"quality":"auspicious"},{"name":"Amṛta","start":"11:50","end":"13:13","startHours":11.828506758447986,"endHours":13.208649808344587,"quality":"auspicious"},{"name":"Kāla","start":"13:13","end":"14:35","startHours":13.208649808344587,"endHours":14.588792858241188,"quality":"inauspicious"},{"name":"Śubha","start":"14:35","end":"15:58","startHours":14.588792858241188,"endHours":15.96893590813779,"quality":"auspicious"},{"name":"Roga","start":"15:58","end":"17:21","startHours":15.96893590813779,"endHours":17.349078958034394,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:21","end":"18:58","startHours":17.349078958034394,"endHours":18.96893590813779,"quality":"inauspicious"},{"name":"Śubha","start":"18:58","end":"20:35","startHours":18.96893590813779,"endHours":20.58879285824119,"quality":"auspicious"},{"name":"Roga","start":"20:35","end":"22:13","startHours":20.58879285824119,"endHours":22.20864980834459,"quality":"inauspicious"},{"name":"Udveg","start":"22:13","end":"23:50","startHours":22.20864980834459,"endHours":23.828506758447986,"quality":"inauspicious"},{"name":"Chala","start":"23:50","end":"01:27","startHours":23.828506758447986,"endHours":25.448363708551383,"quality":"neutral"},{"name":"Labha","start":"01:27","end":"03:04","startHours":25.448363708551383,"endHours":27.06822065865478,"quality":"auspicious"},{"name":"Amṛta","start":"03:04","end":"04:41","startHours":27.06822065865478,"endHours":28.68807760875818,"quality":"auspicious"},{"name":"Kāla","start":"04:41","end":"06:18","startHours":28.68807760875818,"endHours":30.30793455886158,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.307934558861578,"endHours":7.307934558861578,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.307934558861578,"endHours":8.307934558861579,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.307934558861579,"endHours":9.307934558861579,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.307934558861579,"endHours":10.307934558861579,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.307934558861579,"endHours":11.307934558861579,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.307934558861579,"endHours":12.307934558861579,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.307934558861579,"endHours":13.307934558861579,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.307934558861579,"endHours":14.307934558861579,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.307934558861579,"endHours":15.307934558861579,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.307934558861579,"endHours":16.30793455886158,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.30793455886158,"endHours":17.30793455886158,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.30793455886158,"endHours":18.30793455886158,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.30793455886158,"endHours":19.30793455886158,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.30793455886158,"endHours":20.30793455886158,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.30793455886158,"endHours":21.30793455886158,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.30793455886158,"endHours":22.30793455886158,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.30793455886158,"endHours":23.30793455886158,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.30793455886158,"endHours":24.30793455886158,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.30793455886158,"endHours":25.30793455886158,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.30793455886158,"endHours":26.30793455886158,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.30793455886158,"endHours":27.30793455886158,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.30793455886158,"endHours":28.30793455886158,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.30793455886158,"endHours":29.30793455886158,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.30793455886158,"endHours":30.30793455886158,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"unfavorable_nakshatras":["Ārdrā","Punarvasu","Puṣya","Aśleṣā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Siṃha","Kanyā","Dhanu","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Karka","Tulā","Vṛścika","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Dhvaja","quality":"Auspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.817705062900224,"eotMinutes":-12.76480550687915,"ayanamsa":22.7364}},"calendars":{"vikram_samvat":1977,"vikram_samvatsara":"Śrīmukha","saka_samvat":1842,"saka_samvatsara":"Raudra","bengali_samvat":1327,"malayalam_era":1096,"nanakshahi_year":451,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Śukla Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Māgha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Makara (Tai)","ritu":"Śiśira (Winter)","display_summary":"Māgha Śukla Ṣaṣṭhī · Vikram 1977 Śrīmukha · Śaka 1842 Raudra"},"festivals":[],"todays_walk":{"walk":{"id":"mangala-walk","name":"Maṅgala Walk","name_sanskrit":"मङ्गल यात्रा","type":"graha","description":"Right action + BG 2.31-38 (kṣatriya-dharma).","step_count":7,"url":"/walk/mangala-walk"},"reason":"Maṅgalavāra (Tuesday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"howrah"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga January 27, 1920 CE · Howrah, West Bengal · Vidhyamitra","description":"January 27, 1920 CE for Howrah, West Bengal: Śukla Ṣaṣṭhī, sūryodaya 06:18, sūryāsta 17:21.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1920-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1920-01-27","sa":"https://sa.vidhyamitra.com/city/howrah/1920-01-27","hi":"https://hi.vidhyamitra.com/city/howrah/1920-01-27","x-default":"https://vidhyamitra.com/city/howrah/1920-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:30:56.357Z","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":"2026-06-01T22:30:56.357Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:30:56.357Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}