{"id":"vidhyamitra:city-day:howrah:1964-01-28:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/howrah/1964-01-28","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1964-01-28","date_display":"January 28, 1964 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":1964,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438422.770833,"kali_year":5065,"ahargana":1849957.2708,"sun":{"sidereal_longitude":283.8681,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":93.3923,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.5242,"elapsed_within_tithi_degrees":1.5242},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.3923,"elapsed_within_degrees":0.059},"yoga":{"number":2,"name":"Prīti","sum_longitude":17.2604},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"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":1964,"month":1,"day":28,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2438422.770833,"ahargana":1849957.2708,"kali_year":5065,"ayanamsa_lahiri":23.3511,"grahas":{"sun":{"sidereal_longitude":283.79717600000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":91.46877599999999,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":7,"name":"Punarvasu","pada":4},"retrograde":false,"latitude":1.0137},"mars":{"sidereal_longitude":288.75037599999996,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":3},"retrograde":false},"mercury":{"sidereal_longitude":259.53527599999995,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":351.503076,"rashi":{"number":12,"name":"Mīna"},"nakshatra":{"number":27,"name":"Revatī","pada":2},"retrograde":false},"venus":{"sidereal_longitude":320.478876,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":25,"name":"Pūrva Bhādrapadā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":300.727576,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":80.3612,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":1},"retrograde":false},"ketu":{"sidereal_longitude":260.3612,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","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":"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":1964,"month":1,"day":28,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2438422.770833,"kali_year":5065,"ahargana":1849957.2708,"sun":{"sidereal_longitude":283.8681,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":93.3923,"rashi":4,"rashi_name":"Karka"},"tithi":{"number":15,"name":"Pūrṇimā","paksha":"Śukla","full_name":"Śukla Pūrṇimā","elongation_degrees":169.5242,"elapsed_within_tithi_degrees":1.5242},"nakshatra":{"number":8,"name":"Puṣya","pada":1,"moon_longitude":93.3923,"elapsed_within_degrees":0.059},"yoga":{"number":2,"name":"Prīti","sum_longitude":17.2604},"karana":{"half_tithi_index":28,"name":"Viṣṭi"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":1.014,"elongation":169.524},"lunar":{"type":"lunar","occurs":false,"moon_latitude":1.014,"opposition_distance":10.476}},"eclipse_window_40days":[{"offset_days":-13,"type":"solar","occurs":true,"moon_latitude":-0.89,"elongation":1.925}]},"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":"17:22","solarNoonLocal":"11:50","dayLengthHours":11.061743089457906,"dayLengthDisplay":"11 Hours 03 Mins 42 Secs","nightLengthDisplay":"12 Hours 56 Mins 18 Secs","moonriseLocal":"16:21","moonsetLocal":"05:40","rahuKala":{"name":"Rāhu Kāla","start":"14:36","end":"15:59","startHours":14.59743963961224,"endHours":15.980157525794478,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:04","end":"10:27","startHours":9.066568094883287,"endHours":10.449285981065525,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:50","end":"13:13","startHours":11.832003867247764,"endHours":13.214721753430002,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"08:53","end":"09:15","startHours":8.882205710058988,"endHours":9.250930479707586,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:46","end":"07:03","startHours":6.762038284579557,"endHours":7.057018100298435,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:28","end":"12:12","startHours":11.463279097599166,"endHours":12.200728636896361,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:50","end":"05:34","startHours":4.826233243924423,"endHours":5.563682783221617,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:23","end":"06:18","startHours":5.379320398397319,"endHours":6.301132322518811,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:41","end":"14:25","startHours":13.675627715490748,"endHours":14.413077254787941,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:10","end":"17:34","startHours":17.162875411976717,"endHours":17.562875411976716,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:22","end":"17:49","startHours":17.362875411976717,"endHours":17.823781374037463,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:07","end":"18:52","startHours":17.112875411976717,"endHours":18.862875411976717,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:28","end":"00:12","startHours":23.463279097599166,"endHours":24.20072863689636,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:18","end":"07:41","startHours":6.301132322518811,"endHours":7.683850208701049,"quality":"inauspicious"},{"name":"Udveg","start":"07:41","end":"09:04","startHours":7.683850208701049,"endHours":9.066568094883287,"quality":"inauspicious"},{"name":"Chala","start":"09:04","end":"10:27","startHours":9.066568094883287,"endHours":10.449285981065525,"quality":"neutral"},{"name":"Labha","start":"10:27","end":"11:50","startHours":10.449285981065525,"endHours":11.832003867247764,"quality":"auspicious"},{"name":"Amṛta","start":"11:50","end":"13:13","startHours":11.832003867247764,"endHours":13.214721753430002,"quality":"auspicious"},{"name":"Kāla","start":"13:13","end":"14:36","startHours":13.214721753430002,"endHours":14.59743963961224,"quality":"inauspicious"},{"name":"Śubha","start":"14:36","end":"15:59","startHours":14.59743963961224,"endHours":15.980157525794478,"quality":"auspicious"},{"name":"Roga","start":"15:59","end":"17:22","startHours":15.980157525794478,"endHours":17.362875411976717,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:22","end":"18:59","startHours":17.362875411976717,"endHours":18.98015752579448,"quality":"inauspicious"},{"name":"Śubha","start":"18:59","end":"20:36","startHours":18.98015752579448,"endHours":20.59743963961224,"quality":"auspicious"},{"name":"Roga","start":"20:36","end":"22:13","startHours":20.59743963961224,"endHours":22.214721753430002,"quality":"inauspicious"},{"name":"Udveg","start":"22:13","end":"23:50","startHours":22.214721753430002,"endHours":23.832003867247764,"quality":"inauspicious"},{"name":"Chala","start":"23:50","end":"01:27","startHours":23.832003867247764,"endHours":25.449285981065525,"quality":"neutral"},{"name":"Labha","start":"01:27","end":"03:04","startHours":25.449285981065525,"endHours":27.066568094883287,"quality":"auspicious"},{"name":"Amṛta","start":"03:04","end":"04:41","startHours":27.066568094883287,"endHours":28.68385020870105,"quality":"auspicious"},{"name":"Kāla","start":"04:41","end":"06:18","startHours":28.68385020870105,"endHours":30.30113232251881,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:18","end":"07:18","startHours":6.301132322518811,"endHours":7.301132322518811,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:18","end":"08:18","startHours":7.301132322518811,"endHours":8.30113232251881,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:18","end":"09:18","startHours":8.30113232251881,"endHours":9.30113232251881,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:18","end":"10:18","startHours":9.30113232251881,"endHours":10.30113232251881,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:18","end":"11:18","startHours":10.30113232251881,"endHours":11.30113232251881,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:18","end":"12:18","startHours":11.30113232251881,"endHours":12.30113232251881,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:18","end":"13:18","startHours":12.30113232251881,"endHours":13.30113232251881,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:18","end":"14:18","startHours":13.30113232251881,"endHours":14.30113232251881,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:18","end":"15:18","startHours":14.30113232251881,"endHours":15.30113232251881,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:18","end":"16:18","startHours":15.30113232251881,"endHours":16.30113232251881,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:18","end":"17:18","startHours":16.30113232251881,"endHours":17.30113232251881,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:18","end":"18:18","startHours":17.30113232251881,"endHours":18.30113232251881,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:18","end":"19:18","startHours":18.30113232251881,"endHours":19.30113232251881,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:18","end":"20:18","startHours":19.30113232251881,"endHours":20.30113232251881,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:18","end":"21:18","startHours":20.30113232251881,"endHours":21.30113232251881,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:18","end":"22:18","startHours":21.30113232251881,"endHours":22.30113232251881,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:18","end":"23:18","startHours":22.30113232251881,"endHours":23.30113232251881,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:18","end":"00:18","startHours":23.30113232251881,"endHours":24.30113232251881,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:18","end":"01:18","startHours":24.30113232251881,"endHours":25.30113232251881,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:18","end":"02:18","startHours":25.30113232251881,"endHours":26.30113232251881,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:18","end":"03:18","startHours":26.30113232251881,"endHours":27.30113232251881,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:18","end":"04:18","startHours":27.30113232251881,"endHours":28.30113232251881,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:18","end":"05:18","startHours":28.30113232251881,"endHours":29.30113232251881,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:18","end":"06:18","startHours":29.30113232251881,"endHours":30.30113232251881,"planetary_lord":"Saturn"}],"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","Karka","Kanyā","Dhanu","Makara"],"unfavorable_rashis":["Mithuna","Siṃha","Tulā","Vṛścika","Kumbha","Mīna"]},"dishaShool":"North (Uttara)","chandraVasa":"South-West","rahuVasa":"North","anandadiYoga":{"name":"Utpāta","quality":"Inauspicious"},"tropicalRitu":"Śiśira (Winter) (tropical)","vedicRitu":"Hemanta (Pre-winter)","tropicalAyana":"Uttarāyaṇa","vedicAyana":"Uttarāyaṇa","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":-18.482969221109393,"eotMinutes":-12.974632034865841,"ayanamsa":23.3511}},"calendars":{"vikram_samvat":2021,"vikram_samvatsara":"Piṅgala","saka_samvat":1886,"saka_samvatsara":"Krodhi","bengali_samvat":1371,"malayalam_era":1140,"nanakshahi_year":495,"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 Pūrṇimā · Vikram 2021 Piṅgala · Śaka 1886 Krodhi"},"festivals":[{"id":"magha-purnima","name":"Māghī Pūrṇimā","name_sanskrit":"माघी पूर्णिमा","tradition":"Pan-Hindu","significance":"Sacred snāna at Prayāga; Māgha-snāna culmination.","vrata":true,"detection":{"tithi_number":15,"tithi_paksha":"Śukla","lunar_month":"Māgha"},"precedence":2}],"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":[{"historical_date":"-3137-10-04","event":"Mahābhārata Day 1 (Bhagavad Gītā delivered)","chart_id":"krishna","shared_marker":"same Śukla Pūrṇimā","url":"/day/-3137-10-04","relevance":0.5},{"historical_date":"-0562-04-11","event":"Bhagavān Buddha's birth at Lumbinī","chart_id":"buddha","shared_marker":"same Śukla Pūrṇimā","url":"/day/-0562-04-11","relevance":0.5}]},"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 28, 1964 CE · Howrah, West Bengal · Vidhyamitra","description":"January 28, 1964 CE for Howrah, West Bengal: Śukla Pūrṇimā, sūryodaya 06:18, sūryāsta 17:22.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/howrah/1964-01-28","hreflang_alternates":{"en":"https://vidhyamitra.com/city/howrah/1964-01-28","sa":"https://sa.vidhyamitra.com/city/howrah/1964-01-28","hi":"https://hi.vidhyamitra.com/city/howrah/1964-01-28","x-default":"https://vidhyamitra.com/city/howrah/1964-01-28"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T13:24:10.712Z","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":"2026-06-02T13:24:10.712Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T13:24:10.712Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}