{"id":"vidhyamitra:city-day:vrindavan:1981-10-30:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/vrindavan/1981-10-30","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-30","date_display":"October 30, 1981 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":1981,"month":10,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444907.770833,"kali_year":5083,"ahargana":1856442.2708,"sun":{"sidereal_longitude":192.2873,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":219.1762,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.8889,"elapsed_within_tithi_degrees":2.8889},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.1762,"elapsed_within_degrees":5.8429},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.4635},"karana":{"half_tithi_index":4,"name":"Taitila"},"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":1981,"month":10,"day":30,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444907.770833,"ahargana":1856442.2708,"kali_year":5083,"ayanamsa_lahiri":23.5992,"grahas":{"sun":{"sidereal_longitude":192.93470100000002,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":false},"moon":{"sidereal_longitude":217.04450099999997,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":2},"retrograde":false,"latitude":3.7974},"mars":{"sidereal_longitude":131.83570099999997,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":175.57540100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"jupiter":{"sidereal_longitude":180.95930099999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false},"venus":{"sidereal_longitude":239.892601,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":18,"name":"Jyeṣṭhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":171.81780100000003,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"rahu":{"sidereal_longitude":96.7547,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":276.7547,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","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":"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":1981,"month":10,"day":30,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444907.770833,"kali_year":5083,"ahargana":1856442.2708,"sun":{"sidereal_longitude":192.2873,"rashi":7,"rashi_name":"Tulā"},"moon":{"sidereal_longitude":219.1762,"rashi":8,"rashi_name":"Vṛścika"},"tithi":{"number":3,"name":"Tṛtīyā","paksha":"Śukla","full_name":"Śukla Tṛtīyā","elongation_degrees":26.8889,"elapsed_within_tithi_degrees":2.8889},"nakshatra":{"number":17,"name":"Anurādhā","pada":2,"moon_longitude":219.1762,"elapsed_within_degrees":5.8429},"yoga":{"number":4,"name":"Saubhāgya","sum_longitude":51.4635},"karana":{"half_tithi_index":4,"name":"Taitila"},"vara":{"number":0,"name":"Śukravāra (Friday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":3.797,"elongation":26.889},"lunar":{"type":"lunar","occurs":false,"moon_latitude":3.797,"opposition_distance":153.111}},"eclipse_window_40days":[]},"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"tier2":{"city":{"slug":"vrindavan","name":"Vṛndāvana","lat":27.565,"lon":77.6593,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tirtha"},"sunriseLocal":"06:28","sunsetLocal":"17:38","solarNoonLocal":"12:03","dayLengthHours":11.155394158600437,"dayLengthDisplay":"11 Hours 09 Mins 19 Secs","nightLengthDisplay":"12 Hours 50 Mins 41 Secs","moonriseLocal":"08:21","moonsetLocal":"18:58","rahuKala":{"name":"Rāhu Kāla","start":"10:39","end":"12:03","startHours":10.654125499020513,"endHours":12.048549768845568,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"14:50","end":"16:14","startHours":14.837398308495676,"endHours":16.23182257832073,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"07:52","end":"09:16","startHours":7.865276959370403,"endHours":9.259701229195457,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:04","end":"09:27","startHours":9.073777993218783,"endHours":9.445624465172132,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:56","end":"07:14","startHours":6.9356607794870335,"endHours":7.233137957049712,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:41","end":"12:25","startHours":11.67670329689222,"endHours":12.420396240798915,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:59","end":"05:44","startHours":4.983466801731957,"endHours":5.7271597456386525,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:28","startHours":5.541236509661979,"endHours":6.470852689545349,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:54","end":"14:39","startHours":13.907782128612308,"endHours":14.651475072519004,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:26","end":"17:50","startHours":17.426246848145787,"endHours":17.826246848145786,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:38","end":"18:05","startHours":17.626246848145787,"endHours":18.09105493808747,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:23","end":"19:08","startHours":17.376246848145787,"endHours":19.126246848145787,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:41","end":"00:25","startHours":23.67670329689222,"endHours":24.420396240798915,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Chala","start":"06:28","end":"07:52","startHours":6.470852689545349,"endHours":7.865276959370403,"quality":"neutral"},{"name":"Labha","start":"07:52","end":"09:16","startHours":7.865276959370403,"endHours":9.259701229195457,"quality":"auspicious"},{"name":"Amṛta","start":"09:16","end":"10:39","startHours":9.259701229195457,"endHours":10.654125499020513,"quality":"auspicious"},{"name":"Kāla","start":"10:39","end":"12:03","startHours":10.654125499020513,"endHours":12.048549768845568,"quality":"inauspicious"},{"name":"Śubha","start":"12:03","end":"13:27","startHours":12.048549768845568,"endHours":13.442974038670622,"quality":"auspicious"},{"name":"Roga","start":"13:27","end":"14:50","startHours":13.442974038670622,"endHours":14.837398308495676,"quality":"inauspicious"},{"name":"Udveg","start":"14:50","end":"16:14","startHours":14.837398308495676,"endHours":16.23182257832073,"quality":"inauspicious"},{"name":"Chala","start":"16:14","end":"17:38","startHours":16.23182257832073,"endHours":17.626246848145787,"quality":"neutral"}],"nightChoghadiyas":[{"name":"Roga","start":"17:38","end":"19:14","startHours":17.626246848145787,"endHours":19.23182257832073,"quality":"inauspicious"},{"name":"Udveg","start":"19:14","end":"20:50","startHours":19.23182257832073,"endHours":20.83739830849568,"quality":"inauspicious"},{"name":"Chala","start":"20:50","end":"22:27","startHours":20.83739830849568,"endHours":22.442974038670624,"quality":"neutral"},{"name":"Labha","start":"22:27","end":"00:03","startHours":22.442974038670624,"endHours":24.048549768845568,"quality":"auspicious"},{"name":"Amṛta","start":"00:03","end":"01:39","startHours":24.048549768845568,"endHours":25.654125499020513,"quality":"auspicious"},{"name":"Kāla","start":"01:39","end":"03:16","startHours":25.654125499020513,"endHours":27.259701229195457,"quality":"inauspicious"},{"name":"Śubha","start":"03:16","end":"04:52","startHours":27.259701229195457,"endHours":28.865276959370405,"quality":"auspicious"},{"name":"Roga","start":"04:52","end":"06:28","startHours":28.865276959370405,"endHours":30.47085268954535,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:28","end":"07:28","startHours":6.470852689545349,"endHours":7.470852689545349,"planetary_lord":"Venus"},{"name":"Hora 2","start":"07:28","end":"08:28","startHours":7.470852689545349,"endHours":8.47085268954535,"planetary_lord":"Sun"},{"name":"Hora 3","start":"08:28","end":"09:28","startHours":8.47085268954535,"endHours":9.47085268954535,"planetary_lord":"Mars"},{"name":"Hora 4","start":"09:28","end":"10:28","startHours":9.47085268954535,"endHours":10.47085268954535,"planetary_lord":"Jupiter"},{"name":"Hora 5","start":"10:28","end":"11:28","startHours":10.47085268954535,"endHours":11.47085268954535,"planetary_lord":"Saturn"},{"name":"Hora 6","start":"11:28","end":"12:28","startHours":11.47085268954535,"endHours":12.47085268954535,"planetary_lord":"Moon"},{"name":"Hora 7","start":"12:28","end":"13:28","startHours":12.47085268954535,"endHours":13.47085268954535,"planetary_lord":"Mercury"},{"name":"Hora 8","start":"13:28","end":"14:28","startHours":13.47085268954535,"endHours":14.47085268954535,"planetary_lord":"Venus"},{"name":"Hora 9","start":"14:28","end":"15:28","startHours":14.47085268954535,"endHours":15.47085268954535,"planetary_lord":"Sun"},{"name":"Hora 10","start":"15:28","end":"16:28","startHours":15.47085268954535,"endHours":16.47085268954535,"planetary_lord":"Mars"},{"name":"Hora 11","start":"16:28","end":"17:28","startHours":16.47085268954535,"endHours":17.47085268954535,"planetary_lord":"Jupiter"},{"name":"Hora 12","start":"17:28","end":"18:28","startHours":17.47085268954535,"endHours":18.47085268954535,"planetary_lord":"Saturn"},{"name":"Hora 13","start":"18:28","end":"19:28","startHours":18.47085268954535,"endHours":19.47085268954535,"planetary_lord":"Moon"},{"name":"Hora 14","start":"19:28","end":"20:28","startHours":19.47085268954535,"endHours":20.47085268954535,"planetary_lord":"Mercury"},{"name":"Hora 15","start":"20:28","end":"21:28","startHours":20.47085268954535,"endHours":21.47085268954535,"planetary_lord":"Venus"},{"name":"Hora 16","start":"21:28","end":"22:28","startHours":21.47085268954535,"endHours":22.47085268954535,"planetary_lord":"Sun"},{"name":"Hora 17","start":"22:28","end":"23:28","startHours":22.47085268954535,"endHours":23.47085268954535,"planetary_lord":"Mars"},{"name":"Hora 18","start":"23:28","end":"00:28","startHours":23.47085268954535,"endHours":24.47085268954535,"planetary_lord":"Jupiter"},{"name":"Hora 19","start":"00:28","end":"01:28","startHours":24.47085268954535,"endHours":25.47085268954535,"planetary_lord":"Saturn"},{"name":"Hora 20","start":"01:28","end":"02:28","startHours":25.47085268954535,"endHours":26.47085268954535,"planetary_lord":"Moon"},{"name":"Hora 21","start":"02:28","end":"03:28","startHours":26.47085268954535,"endHours":27.47085268954535,"planetary_lord":"Mercury"},{"name":"Hora 22","start":"03:28","end":"04:28","startHours":27.47085268954535,"endHours":28.47085268954535,"planetary_lord":"Venus"},{"name":"Hora 23","start":"04:28","end":"05:28","startHours":28.47085268954535,"endHours":29.47085268954535,"planetary_lord":"Sun"},{"name":"Hora 24","start":"05:28","end":"06:28","startHours":29.47085268954535,"endHours":30.47085268954535,"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"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Śarad (Autumn)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-13.695949528658334,"eotMinutes":16.449813869265995,"ayanamsa":23.5992}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Kārtika","lunar_month_paksha_full":"Kārtika Śukla Pakṣa","solar_month":"Tulā (Aippasi)","ritu":"Śarad (Autumn)","display_summary":"Kārtika Śukla Tṛtīyā · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"tula-sankranti","name":"Tulā Saṅkrānti","name_sanskrit":"तुला सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Libra.","vrata":false,"detection":{"sun_rashi":"Tulā"},"precedence":5}],"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":"Śukravāra (Friday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"vrindavan"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 30, 1981 CE · Vṛndāvana · Vidhyamitra","description":"October 30, 1981 CE for Vṛndāvana: Śukla Tṛtīyā, sūryodaya 06:28, sūryāsta 17:38.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/vrindavan/1981-10-30","hreflang_alternates":{"en":"https://vidhyamitra.com/city/vrindavan/1981-10-30","sa":"https://sa.vidhyamitra.com/city/vrindavan/1981-10-30","hi":"https://hi.vidhyamitra.com/city/vrindavan/1981-10-30","x-default":"https://vidhyamitra.com/city/vrindavan/1981-10-30"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-18T16:27:49.941Z","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":"2026-05-18T16:27:49.941Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-18T16:27:49.941Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}