{"id":"vidhyamitra:city-day:dhanbad:1981-01-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/dhanbad/1981-01-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-01-27","date_display":"January 27, 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":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444631.770833,"kali_year":5082,"ahargana":1856166.2708,"sun":{"sidereal_longitude":283.4599,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":182.2068,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.7469,"elapsed_within_tithi_degrees":6.7469},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":182.2068,"elapsed_within_degrees":8.8734},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.6667},"karana":{"half_tithi_index":43,"name":"Bava"},"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":1981,"month":1,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444631.770833,"ahargana":1856166.2708,"kali_year":5082,"ayanamsa_lahiri":23.5886,"grahas":{"sun":{"sidereal_longitude":283.431147,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":2},"retrograde":false},"moon":{"sidereal_longitude":181.06144700000004,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":14,"name":"Citrā","pada":3},"retrograde":false,"latitude":4.25},"mars":{"sidereal_longitude":298.08774700000004,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":300.386347,"rashi":{"number":11,"name":"Kumbha"},"nakshatra":{"number":23,"name":"Dhaniṣṭhā","pada":3},"retrograde":false},"jupiter":{"sidereal_longitude":166.844647,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"venus":{"sidereal_longitude":266.40974700000004,"rashi":{"number":9,"name":"Dhanu"},"nakshatra":{"number":20,"name":"Pūrva Āṣāḍhā","pada":4},"retrograde":false},"saturn":{"sidereal_longitude":165.90464700000007,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":2},"retrograde":true},"rahu":{"sidereal_longitude":111.3785,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Āśleṣā","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":291.3785,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","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":1,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444631.770833,"kali_year":5082,"ahargana":1856166.2708,"sun":{"sidereal_longitude":283.4599,"rashi":10,"rashi_name":"Makara"},"moon":{"sidereal_longitude":182.2068,"rashi":7,"rashi_name":"Tulā"},"tithi":{"number":22,"name":"Saptamī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Saptamī","elongation_degrees":258.7469,"elapsed_within_tithi_degrees":6.7469},"nakshatra":{"number":14,"name":"Citrā","pada":3,"moon_longitude":182.2068,"elapsed_within_degrees":8.8734},"yoga":{"number":8,"name":"Dhṛti","sum_longitude":105.6667},"karana":{"half_tithi_index":43,"name":"Bava"},"vara":{"number":4,"name":"Maṅgalavāra (Tuesday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":4.25,"elongation":101.253},"lunar":{"type":"lunar","occurs":false,"moon_latitude":4.25,"opposition_distance":78.747}},"eclipse_window_40days":[{"offset_days":-7,"type":"lunar","occurs":true,"moon_latitude":-1.332,"opposition_distance":1.776},{"offset_days":9,"type":"solar","occurs":true,"moon_latitude":-0.15,"elongation":0.162}]},"city":{"slug":"dhanbad","name":"Dhanbad, Jharkhand","lat":23.7957,"lon":86.4304,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"dhanbad","name":"Dhanbad, Jharkhand","lat":23.7957,"lon":86.4304,"tz_offset_hours":5.5,"state":"Jharkhand","country":"IN","tier":"tier-1"},"sunriseLocal":"06:27","sunsetLocal":"17:27","solarNoonLocal":"11:57","dayLengthHours":10.996962113054357,"dayLengthDisplay":"10 Hours 59 Mins 49 Secs","nightLengthDisplay":"13 Hours 00 Mins 11 Secs","moonriseLocal":"23:22","moonsetLocal":"10:53","rahuKala":{"name":"Rāhu Kāla","start":"14:42","end":"16:04","startHours":14.699960620044907,"endHours":16.074580884176704,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"09:12","end":"10:35","startHours":9.20147956351773,"endHours":10.576099827649523,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"11:57","end":"13:20","startHours":11.950720091781317,"endHours":13.325340355913113,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:01","end":"09:23","startHours":9.01819686163349,"endHours":9.384762265401967,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:55","end":"07:12","startHours":6.910445789964738,"endHours":7.203698112979521,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:35","end":"12:19","startHours":11.58415468801284,"endHours":12.317285495549795,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:59","end":"05:43","startHours":4.985977420180225,"endHours":5.719108227717182,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:32","end":"06:27","startHours":5.535825525832943,"endHours":6.45223903525414,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"13:47","end":"14:31","startHours":13.783547110623712,"endHours":14.516677918160669,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:15","end":"17:39","startHours":17.249201148308497,"endHours":17.649201148308496,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:27","end":"17:54","startHours":17.449201148308497,"endHours":17.907407903019095,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:12","end":"18:57","startHours":17.199201148308497,"endHours":18.949201148308497,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:35","end":"00:19","startHours":23.584154688012838,"endHours":24.317285495549797,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Roga","start":"06:27","end":"07:50","startHours":6.45223903525414,"endHours":7.8268592993859345,"quality":"inauspicious"},{"name":"Udveg","start":"07:50","end":"09:12","startHours":7.8268592993859345,"endHours":9.20147956351773,"quality":"inauspicious"},{"name":"Chala","start":"09:12","end":"10:35","startHours":9.20147956351773,"endHours":10.576099827649523,"quality":"neutral"},{"name":"Labha","start":"10:35","end":"11:57","startHours":10.576099827649523,"endHours":11.950720091781317,"quality":"auspicious"},{"name":"Amṛta","start":"11:57","end":"13:20","startHours":11.950720091781317,"endHours":13.325340355913113,"quality":"auspicious"},{"name":"Kāla","start":"13:20","end":"14:42","startHours":13.325340355913113,"endHours":14.699960620044907,"quality":"inauspicious"},{"name":"Śubha","start":"14:42","end":"16:04","startHours":14.699960620044907,"endHours":16.074580884176704,"quality":"auspicious"},{"name":"Roga","start":"16:04","end":"17:27","startHours":16.074580884176704,"endHours":17.449201148308497,"quality":"inauspicious"}],"nightChoghadiyas":[{"name":"Kāla","start":"17:27","end":"19:04","startHours":17.449201148308497,"endHours":19.0745808841767,"quality":"inauspicious"},{"name":"Śubha","start":"19:04","end":"20:42","startHours":19.0745808841767,"endHours":20.69996062004491,"quality":"auspicious"},{"name":"Roga","start":"20:42","end":"22:20","startHours":20.69996062004491,"endHours":22.325340355913113,"quality":"inauspicious"},{"name":"Udveg","start":"22:20","end":"23:57","startHours":22.325340355913113,"endHours":23.950720091781317,"quality":"inauspicious"},{"name":"Chala","start":"23:57","end":"01:35","startHours":23.950720091781317,"endHours":25.57609982764952,"quality":"neutral"},{"name":"Labha","start":"01:35","end":"03:12","startHours":25.57609982764952,"endHours":27.20147956351773,"quality":"auspicious"},{"name":"Amṛta","start":"03:12","end":"04:50","startHours":27.20147956351773,"endHours":28.826859299385934,"quality":"auspicious"},{"name":"Kāla","start":"04:50","end":"06:27","startHours":28.826859299385934,"endHours":30.452239035254138,"quality":"inauspicious"}],"horas":[{"name":"Hora 1","start":"06:27","end":"07:27","startHours":6.45223903525414,"endHours":7.45223903525414,"planetary_lord":"Mars"},{"name":"Hora 2","start":"07:27","end":"08:27","startHours":7.45223903525414,"endHours":8.45223903525414,"planetary_lord":"Jupiter"},{"name":"Hora 3","start":"08:27","end":"09:27","startHours":8.45223903525414,"endHours":9.45223903525414,"planetary_lord":"Saturn"},{"name":"Hora 4","start":"09:27","end":"10:27","startHours":9.45223903525414,"endHours":10.45223903525414,"planetary_lord":"Moon"},{"name":"Hora 5","start":"10:27","end":"11:27","startHours":10.45223903525414,"endHours":11.45223903525414,"planetary_lord":"Mercury"},{"name":"Hora 6","start":"11:27","end":"12:27","startHours":11.45223903525414,"endHours":12.45223903525414,"planetary_lord":"Venus"},{"name":"Hora 7","start":"12:27","end":"13:27","startHours":12.45223903525414,"endHours":13.45223903525414,"planetary_lord":"Sun"},{"name":"Hora 8","start":"13:27","end":"14:27","startHours":13.45223903525414,"endHours":14.45223903525414,"planetary_lord":"Mars"},{"name":"Hora 9","start":"14:27","end":"15:27","startHours":14.45223903525414,"endHours":15.45223903525414,"planetary_lord":"Jupiter"},{"name":"Hora 10","start":"15:27","end":"16:27","startHours":15.45223903525414,"endHours":16.452239035254138,"planetary_lord":"Saturn"},{"name":"Hora 11","start":"16:27","end":"17:27","startHours":16.452239035254138,"endHours":17.452239035254138,"planetary_lord":"Moon"},{"name":"Hora 12","start":"17:27","end":"18:27","startHours":17.452239035254138,"endHours":18.452239035254138,"planetary_lord":"Mercury"},{"name":"Hora 13","start":"18:27","end":"19:27","startHours":18.452239035254138,"endHours":19.452239035254138,"planetary_lord":"Venus"},{"name":"Hora 14","start":"19:27","end":"20:27","startHours":19.452239035254138,"endHours":20.452239035254138,"planetary_lord":"Sun"},{"name":"Hora 15","start":"20:27","end":"21:27","startHours":20.452239035254138,"endHours":21.452239035254138,"planetary_lord":"Mars"},{"name":"Hora 16","start":"21:27","end":"22:27","startHours":21.452239035254138,"endHours":22.452239035254138,"planetary_lord":"Jupiter"},{"name":"Hora 17","start":"22:27","end":"23:27","startHours":22.452239035254138,"endHours":23.452239035254138,"planetary_lord":"Saturn"},{"name":"Hora 18","start":"23:27","end":"00:27","startHours":23.452239035254138,"endHours":24.452239035254138,"planetary_lord":"Moon"},{"name":"Hora 19","start":"00:27","end":"01:27","startHours":24.452239035254138,"endHours":25.452239035254138,"planetary_lord":"Mercury"},{"name":"Hora 20","start":"01:27","end":"02:27","startHours":25.452239035254138,"endHours":26.452239035254138,"planetary_lord":"Venus"},{"name":"Hora 21","start":"02:27","end":"03:27","startHours":26.452239035254138,"endHours":27.452239035254138,"planetary_lord":"Sun"},{"name":"Hora 22","start":"03:27","end":"04:27","startHours":27.452239035254138,"endHours":28.452239035254138,"planetary_lord":"Mars"},{"name":"Hora 23","start":"04:27","end":"05:27","startHours":28.452239035254138,"endHours":29.452239035254138,"planetary_lord":"Jupiter"},{"name":"Hora 24","start":"05:27","end":"06:27","startHours":29.452239035254138,"endHours":30.452239035254138,"planetary_lord":"Saturn"}],"taraBala":{"favorable_nakshatras":["Aśvinī","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Maghā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Mūla","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Bharaṇī","Kṛttikā","Rohiṇī","Mṛgaśirā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Citrā","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa","Dhaniṣṭhā"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Meṣa","Karka","Siṃha","Tulā","Dhanu","Mīna"],"unfavorable_rashis":["Vṛṣabha","Mithuna","Kanyā","Vṛścika","Makara","Kumbha"]},"dishaShool":"North (Uttara)","chandraVasa":"North","rahuVasa":"North","anandadiYoga":{"name":"Mausala","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":-18.51547348363063,"eotMinutes":-12.76480550687915,"ayanamsa":23.5886}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Māgha","lunar_month_paksha_full":"Māgha Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Māgha","lunar_month_amanta":"Pauṣa","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 Kṛṣṇa Saptamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"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":"dhanbad"},"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, 1981 CE · Dhanbad, Jharkhand · Vidhyamitra","description":"January 27, 1981 CE for Dhanbad, Jharkhand: Kṛṣṇa Saptamī, sūryodaya 06:27, sūryāsta 17:27.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/dhanbad/1981-01-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/dhanbad/1981-01-27","sa":"https://sa.vidhyamitra.com/city/dhanbad/1981-01-27","hi":"https://hi.vidhyamitra.com/city/dhanbad/1981-01-27","x-default":"https://vidhyamitra.com/city/dhanbad/1981-01-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-01T22:43:21.083Z","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":"2026-06-01T22:43:21.083Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-01T22:43:21.083Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}