{"id":"vidhyamitra:city-day:bhavnagar:1981-07-27:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/bhavnagar/1981-07-27","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-07-27","date_display":"July 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":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444812.770833,"kali_year":5083,"ahargana":1856347.2708,"sun":{"sidereal_longitude":99.8766,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":46.7507,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":306.8741,"elapsed_within_tithi_degrees":6.8741},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":46.7507,"elapsed_within_degrees":6.7507},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":146.6274},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"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":7,"day":27,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444812.770833,"ahargana":1856347.2708,"kali_year":5083,"ayanamsa_lahiri":23.5955,"grahas":{"sun":{"sidereal_longitude":100.33923099999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"moon":{"sidereal_longitude":45.52933100000001,"rashi":{"number":2,"name":"Vṛṣabha"},"nakshatra":{"number":4,"name":"Rohiṇī","pada":2},"retrograde":false,"latitude":-3.6866},"mars":{"sidereal_longitude":72.48143099999999,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":6,"name":"Ārdrā","pada":2},"retrograde":false},"mercury":{"sidereal_longitude":85.535031,"rashi":{"number":3,"name":"Mithuna"},"nakshatra":{"number":7,"name":"Punarvasu","pada":2},"retrograde":false},"jupiter":{"sidereal_longitude":162.03163100000006,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"venus":{"sidereal_longitude":129.64503100000002,"rashi":{"number":5,"name":"Siṃha"},"nakshatra":{"number":10,"name":"Maghā","pada":3},"retrograde":false},"saturn":{"sidereal_longitude":161.27333099999998,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":1},"retrograde":false},"rahu":{"sidereal_longitude":101.7882,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":3},"retrograde":false},"ketu":{"sidereal_longitude":281.7882,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"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":7,"day":27,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444812.770833,"kali_year":5083,"ahargana":1856347.2708,"sun":{"sidereal_longitude":99.8766,"rashi":4,"rashi_name":"Karka"},"moon":{"sidereal_longitude":46.7507,"rashi":2,"rashi_name":"Vṛṣabha"},"tithi":{"number":26,"name":"Ekādaśī","paksha":"Kṛṣṇa","full_name":"Kṛṣṇa Ekādaśī","elongation_degrees":306.8741,"elapsed_within_tithi_degrees":6.8741},"nakshatra":{"number":4,"name":"Rohiṇī","pada":3,"moon_longitude":46.7507,"elapsed_within_degrees":6.7507},"yoga":{"number":11,"name":"Vṛddhi","sum_longitude":146.6274},"karana":{"half_tithi_index":51,"name":"Bālava"},"vara":{"number":3,"name":"Somavāra (Monday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-3.687,"elongation":53.126},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-3.687,"opposition_distance":126.874}},"eclipse_window_40days":[{"offset_days":-10,"type":"lunar","occurs":true,"moon_latitude":1.092,"opposition_distance":2.128},{"offset_days":4,"type":"solar","occurs":true,"moon_latitude":0.181,"elongation":0.207}]},"city":{"slug":"bhavnagar","name":"Bhavnagar, Gujarat","lat":21.7645,"lon":72.1519,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"bhavnagar","name":"Bhavnagar, Gujarat","lat":21.7645,"lon":72.1519,"tz_offset_hours":5.5,"state":"Gujarat","country":"IN","tier":"tier-1"},"sunriseLocal":"06:12","sunsetLocal":"19:24","solarNoonLocal":"12:48","dayLengthHours":13.197795675898183,"dayLengthDisplay":"13 Hours 11 Mins 52 Secs","nightLengthDisplay":"10 Hours 48 Mins 08 Secs","moonriseLocal":"02:29","moonsetLocal":"15:48","rahuKala":{"name":"Rāhu Kāla","start":"07:51","end":"09:30","startHours":7.843747516368148,"endHours":9.493471975855421,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"11:09","end":"12:48","startHours":11.143196435342693,"endHours":12.792920894829965,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"14:27","end":"16:06","startHours":14.44264535431724,"endHours":16.09236981380451,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:16","end":"09:43","startHours":9.27350871459045,"endHours":9.71343523712039,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:06","startHours":6.743931210043299,"endHours":7.095872428067251,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"12:21","end":"13:14","startHours":12.352994372300026,"endHours":13.232847417359904,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:26","end":"05:19","startHours":4.434316966761117,"endHours":5.314170011820996,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:06","end":"06:12","startHours":5.094206750556026,"endHours":6.194023056880875,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"15:00","end":"15:52","startHours":14.992553507479663,"endHours":15.872406552539541,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"19:12","end":"19:36","startHours":19.19181873277906,"endHours":19.591818732779057,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"19:24","end":"19:57","startHours":19.391818732779058,"endHours":19.94172688594148,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"19:09","end":"20:54","startHours":19.141818732779058,"endHours":20.891818732779058,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"00:21","end":"01:14","startHours":24.352994372300024,"endHours":25.232847417359906,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Amṛta","start":"06:12","end":"07:51","startHours":6.194023056880875,"endHours":7.843747516368148,"quality":"auspicious"},{"name":"Kāla","start":"07:51","end":"09:30","startHours":7.843747516368148,"endHours":9.493471975855421,"quality":"inauspicious"},{"name":"Śubha","start":"09:30","end":"11:09","startHours":9.493471975855421,"endHours":11.143196435342693,"quality":"auspicious"},{"name":"Roga","start":"11:09","end":"12:48","startHours":11.143196435342693,"endHours":12.792920894829965,"quality":"inauspicious"},{"name":"Udveg","start":"12:48","end":"14:27","startHours":12.792920894829965,"endHours":14.44264535431724,"quality":"inauspicious"},{"name":"Chala","start":"14:27","end":"16:06","startHours":14.44264535431724,"endHours":16.09236981380451,"quality":"neutral"},{"name":"Labha","start":"16:06","end":"17:45","startHours":16.09236981380451,"endHours":17.742094273291784,"quality":"auspicious"},{"name":"Amṛta","start":"17:45","end":"19:24","startHours":17.742094273291784,"endHours":19.391818732779058,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Chala","start":"19:24","end":"20:45","startHours":19.391818732779058,"endHours":20.742094273291784,"quality":"neutral"},{"name":"Labha","start":"20:45","end":"22:06","startHours":20.742094273291784,"endHours":22.092369813804513,"quality":"auspicious"},{"name":"Amṛta","start":"22:06","end":"23:27","startHours":22.092369813804513,"endHours":23.44264535431724,"quality":"auspicious"},{"name":"Kāla","start":"23:27","end":"00:48","startHours":23.44264535431724,"endHours":24.792920894829965,"quality":"inauspicious"},{"name":"Śubha","start":"00:48","end":"02:09","startHours":24.792920894829965,"endHours":26.143196435342695,"quality":"auspicious"},{"name":"Roga","start":"02:09","end":"03:30","startHours":26.143196435342695,"endHours":27.49347197585542,"quality":"inauspicious"},{"name":"Udveg","start":"03:30","end":"04:51","startHours":27.49347197585542,"endHours":28.843747516368147,"quality":"inauspicious"},{"name":"Chala","start":"04:51","end":"06:12","startHours":28.843747516368147,"endHours":30.194023056880873,"quality":"neutral"}],"horas":[{"name":"Hora 1","start":"06:12","end":"07:12","startHours":6.194023056880875,"endHours":7.194023056880875,"planetary_lord":"Moon"},{"name":"Hora 2","start":"07:12","end":"08:12","startHours":7.194023056880875,"endHours":8.194023056880875,"planetary_lord":"Mercury"},{"name":"Hora 3","start":"08:12","end":"09:12","startHours":8.194023056880875,"endHours":9.194023056880875,"planetary_lord":"Venus"},{"name":"Hora 4","start":"09:12","end":"10:12","startHours":9.194023056880875,"endHours":10.194023056880875,"planetary_lord":"Sun"},{"name":"Hora 5","start":"10:12","end":"11:12","startHours":10.194023056880875,"endHours":11.194023056880875,"planetary_lord":"Mars"},{"name":"Hora 6","start":"11:12","end":"12:12","startHours":11.194023056880875,"endHours":12.194023056880875,"planetary_lord":"Jupiter"},{"name":"Hora 7","start":"12:12","end":"13:12","startHours":12.194023056880875,"endHours":13.194023056880875,"planetary_lord":"Saturn"},{"name":"Hora 8","start":"13:12","end":"14:12","startHours":13.194023056880875,"endHours":14.194023056880875,"planetary_lord":"Moon"},{"name":"Hora 9","start":"14:12","end":"15:12","startHours":14.194023056880875,"endHours":15.194023056880875,"planetary_lord":"Mercury"},{"name":"Hora 10","start":"15:12","end":"16:12","startHours":15.194023056880875,"endHours":16.194023056880873,"planetary_lord":"Venus"},{"name":"Hora 11","start":"16:12","end":"17:12","startHours":16.194023056880873,"endHours":17.194023056880873,"planetary_lord":"Sun"},{"name":"Hora 12","start":"17:12","end":"18:12","startHours":17.194023056880873,"endHours":18.194023056880873,"planetary_lord":"Mars"},{"name":"Hora 13","start":"18:12","end":"19:12","startHours":18.194023056880873,"endHours":19.194023056880873,"planetary_lord":"Jupiter"},{"name":"Hora 14","start":"19:12","end":"20:12","startHours":19.194023056880873,"endHours":20.194023056880873,"planetary_lord":"Saturn"},{"name":"Hora 15","start":"20:12","end":"21:12","startHours":20.194023056880873,"endHours":21.194023056880873,"planetary_lord":"Moon"},{"name":"Hora 16","start":"21:12","end":"22:12","startHours":21.194023056880873,"endHours":22.194023056880873,"planetary_lord":"Mercury"},{"name":"Hora 17","start":"22:12","end":"23:12","startHours":22.194023056880873,"endHours":23.194023056880873,"planetary_lord":"Venus"},{"name":"Hora 18","start":"23:12","end":"00:12","startHours":23.194023056880873,"endHours":24.194023056880873,"planetary_lord":"Sun"},{"name":"Hora 19","start":"00:12","end":"01:12","startHours":24.194023056880873,"endHours":25.194023056880873,"planetary_lord":"Mars"},{"name":"Hora 20","start":"01:12","end":"02:12","startHours":25.194023056880873,"endHours":26.194023056880873,"planetary_lord":"Jupiter"},{"name":"Hora 21","start":"02:12","end":"03:12","startHours":26.194023056880873,"endHours":27.194023056880873,"planetary_lord":"Saturn"},{"name":"Hora 22","start":"03:12","end":"04:12","startHours":27.194023056880873,"endHours":28.194023056880873,"planetary_lord":"Moon"},{"name":"Hora 23","start":"04:12","end":"05:12","startHours":28.194023056880873,"endHours":29.194023056880873,"planetary_lord":"Mercury"},{"name":"Hora 24","start":"05:12","end":"06:12","startHours":29.194023056880873,"endHours":30.194023056880873,"planetary_lord":"Venus"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Vṛṣabha","Karka","Tulā","Vṛścika","Kumbha","Mīna"],"unfavorable_rashis":["Meṣa","Mithuna","Siṃha","Kanyā","Dhanu","Makara"]},"dishaShool":"East (Pūrva)","chandraVasa":"South-East","rahuVasa":"North-East","anandadiYoga":{"name":"Śrīvatsa","quality":"Auspicious"},"tropicalRitu":"Varṣā (Monsoon) (tropical)","vedicRitu":"Grīṣma (Summer)","tropicalAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization","declination":19.26806532221989,"eotMinutes":-6.182853689797819,"ayanamsa":23.5955}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Śrāvaṇa","lunar_month_paksha_full":"Śrāvaṇa Kṛṣṇa Pakṣa","lunar_month_system":"purnimanta","lunar_month_purnimanta":"Śrāvaṇa","lunar_month_amanta":"Āṣāḍha","lunar_month_is_adhika":false,"lunar_month_purnimanta_is_adhika":false,"lunar_month_amanta_is_adhika":false,"solar_month":"Karkaṭa (Āḍi)","ritu":"Varṣā (Monsoon)","display_summary":"Śrāvaṇa Kṛṣṇa Ekādaśī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"aja-ekadashi","name":"Ajā Ekādaśī","name_sanskrit":"अजा एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"King Hariścandra observed this; restored him to throne and family.","vrata":true,"detection":{"tithi_number":26,"tithi_paksha":"Kṛṣṇa","lunar_month":"Śrāvaṇa"},"precedence":4},{"id":"ekadashi","name":"Ekādaśī","name_sanskrit":"एकादशी","tradition":"Vaishnava","associated_deity":"Bhagavān Viṣṇu","significance":"Sacred to Bhagavān Viṣṇu; vrata for purification.","vrata":true,"detection":{"any_of":[{"tithi_number":11},{"tithi_number":26}]},"precedence":5}],"todays_walk":{"walk":{"id":"chandra-walk","name":"Candra Walk","name_sanskrit":"चन्द्र यात्रा","type":"graha","description":"Manas-control + BG 6.5-7.","step_count":5,"url":"/walk/chandra-walk"},"reason":"Somavāra (Monday) — its presiding graha's walk."},"cosmic_resonances":[{"historical_date":"-3226-07-09","event":"Bhagavān Krishna's birth at Mathurā","chart_id":"krishna","shared_marker":"same Rohiṇī","url":"/day/-3226-07-09","relevance":0.5}]},"validity":{"eternal":false,"location_specific":"bhavnagar"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga July 27, 1981 CE · Bhavnagar, Gujarat · Vidhyamitra","description":"July 27, 1981 CE for Bhavnagar, Gujarat: Kṛṣṇa Ekādaśī, sūryodaya 06:12, sūryāsta 19:24.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/bhavnagar/1981-07-27","hreflang_alternates":{"en":"https://vidhyamitra.com/city/bhavnagar/1981-07-27","sa":"https://sa.vidhyamitra.com/city/bhavnagar/1981-07-27","hi":"https://hi.vidhyamitra.com/city/bhavnagar/1981-07-27","x-default":"https://vidhyamitra.com/city/bhavnagar/1981-07-27"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-06-02T08:35:52.441Z","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":"2026-06-02T08:35:52.441Z","verification":{"type":"community-validated","markers":["modern-reference checked timing on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-06-02T08:35:52.441Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}